Love is not only a sentiment, it is an art.
爱不仅是一种情感，它也是一门艺术。
The success of any political system depends on its ability to deliver both prosperity and justice.
现代生物学运动的最终目标实际上是用物理和化学来解释所有生物学。
质量不是一次行为，而是我们必须每天培养的习惯。