Quality is not an act, it is a habit.

化学是连接物理学和生物学的核心科学。

The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

我想建立一个整合的欧洲体系，包含了法律，法庭，与人种。