真正的挑战是让复杂的东西看起来简单。
我不再是个孩子了,我是个年轻人。
Science has no borders, but scientists have a motherland, we must contribute to the development of national agriculture.
In the state of nature, profit is the measure of right.
每个回声都包含着它所处空间的历史。
It's not always necessary to be better than everyone else, but to be better than you used to be.