兼职要求学生遵守纪律并相应地分配时间。

学校充分意识到校服可以在校内建立一种团结感。

Our hope is to establish mutually beneficial trading relations between us .

人类活动已经对生态系统造成严重破坏。

We look forward to your early reply and trust that through our mutually cooperation we shall be able to conclude this transaction with you in the near further.