The uniformity of the hybrids in the first generation, the dissimilarity in the second, are facts which cannot escape the attention of an accurate observer.
创新是在竞争激烈的行业中保持领先的关键。
性别经济学并不是一个小众主题；它是理解现代经济体的核心。
A man without a homeland is like a nightingale without a song.
A mathematician is a device for turning coffee into theorems.
The biggest risk is not taking any risk.
