No man really knows about other human beings. The best he can do is to suppose that they are like himself.
大树恨枝干上没有树叶,不要怨怪是太阳偏心故意晒偏。
The history of women’s labor force participation is not a steady march upward but a story of fits and starts.
医学的历史是一部坚持和团队合作的历史。