I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
The dogs bark, but the caravan goes on.
我行我素,岂管他哉。
A telescope would have to be as far away as the planet Jupiter to look for life in outer space, because the dust becomes thinner the further we travel towards the outer edges of our own solar system.