Confidence is not "they will like me", it's "I'll be fine if they don't".
艺术应该是关于提出问题,而不是给出答案。
解释:对于一件事情的利害得失,只有有智慧的人才能分辨清楚。
海洋生态平衡是我们共同的责任,没有人可以置身事外。
Mathematics is not a spectator sport. You have to get involved.