This has to do with a phenomenon known as hedonic adaptation, or the hedonic treadmill.

这与所谓的" 享乐适应" 或" 快乐水车" 现象相关。

That is, we are interested for reasons beyond pleasure or hedonic motivations.

即会出于些超越娱乐或享乐的动机。

She also says it's easy to become a victim of the hedonic treadmill.

她还，人很容易成为" 享乐跑步机" 的受害者。

So we have several appetite systems in the brain, and one of them is the hedonic system.

大脑有几食欲系统，其是享乐系统。

This process is referred to as hedonic adaptation, and we usually talk about it in negative terms.

这过程被称为享乐适应，通常会用负面的术语来谈论它。

Hedonic wellbeing can be summed up as " am I having a good time right now? " he says.

他，享乐型幸福可以概括为“现在过得开心吗”。

But there's actually a positive aspect to hedonic adaptation, and that's what negative visualization allows us to achieve.

但享乐适应也有积极的面，也就是消极想象让到的效果。

The problems tend to come from chasing only hedonic happiness, rather than the more mundane, but ultimately more meaningful, kind.

问题往往来自于只追求享乐的幸福，而不是更平凡但最终更有意义的幸福。

Generally, their content is purely hedonic.

般来，它的内容纯粹是享乐主义的。

That might sound pretty gloomy, but hedonic adaptation makes us less emotionally sensitive to any kind of change, including negative ones.

这也许听起来令人沮丧，但是享乐适应让人的情绪不易受影响，对任何变化，也包括负面变化。

Researchers call this effect hedonic contrast—the perception or pleasure gained from something is affected by how it compares to other similar stimuli.

研究者称这是愉悦感的对比效应—人从某样事物获得的认知及快乐会同其他影响进行比较。

The food courts are dripping with tasty hedonic Western foods from Burger King to Taco Bell to Subway.

美食广场里到处都是从汉堡王到塔可贝尔再到赛百味等美味的西方享乐食品。

Researchers identified two goals that govern meal choices: utilitarian, in which practicality is paramount, and hedonic, in which pleasure is more important.

实用主义，这样意味着务实至上；享乐主义，这意味着快乐更重要。

So while the hedonic treadmill may inhibit our enjoyment of positive changes, it seems to also enable our resilience in recovering from adversity.

所以，尽管" 快乐水车" 会 妨碍享受积极变化，但它似乎也能帮助从负面变化恢复过来。

But, the trick only worked for what the researchers considered hedonic purchases, things you buy for fun or novelty, like fancy watches, chocolates, or lingerie.

但是，这伎俩只适用于研究人员认为的享乐性购买，即你为了乐趣或新奇而购买的东西，如高级手表、巧克力或内衣。

There's also hedonic adaptation, which might explain Richard Lucas's work: people adapt to their circumstances, even if those situations once made them really happy.

还有种“享乐适应理论”——这可能解释了理查德·卢卡斯的研究：人适应周围的环境并视如平常，即使这些环境曾经让他非常快乐。

And what that says is that the change in pleasantness, the change in hedonic pleasure from the foods is specific to what you've just eaten.

也就是，愉悦感的变化，食物带来的愉悦感的变化是特定于你所吃的食物的。

There's also hedonic adaptation, which might explain Richard Lucas's work: people adapt to their circumstances, even if those situations once made them really happy.

爱：还有享乐适应，这或许可以解释理查德卢卡斯的作品：人适应他的环境，即使那些环境曾经让他非常快乐。

So, there are these exceptions but putting aside the exceptions, the problem of adaptation is sometimes called " the hedonic treadmill" and the idea is hedonic for happy.

所以，有这些例外， 但撇开例外，适应问题有时被称为“享乐跑步机” ，这想法是快乐的享乐。

Finally, the reason happiness often escapes us may involve the hedonic treadmill - the human tendency to return to the same level of happiness after something very good or very bad has happened.

最后，经常无法获得幸福感可能与hedonic treadmill" 享乐跑步机" 有关即经历过大喜或大悲之后，人对于恢复原来的幸福感水平的倾向。