人迹

Those who dared to launch out beyond the unknown waters became the discoverers of new lands.

些敢于去迹未至的海域航行的成了新陆地的发现者。

We all believed it unimaginable that he had lived alone on a deserted island for so long.

我们都觉得他在渺无迹的荒上住这么久是不可想象的。