The idea of legal responsibility is central to the concept of law.

所有人都很害羞。别人在等着你介绍自己，等着你给他们发邮件，等着你邀请他们约会。干就完了。

The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.

每一个挑战都是学习和成长的机会。