借方总额必须和贷款总方相抵。

The total of debits must balance the total of credits.

《柯林斯英汉双解大词典》

我必须和克雷文医生谈谈这件事。

I must talk to Dr. Craven about it.

youdao

所有帐户都必须和信用挂钩。

All accounts must be operated in credit.

youdao

The covenant also entails God's promise to restore the rhythm of life and nature and never again to destroy the earth.

诺亚之约，使上帝必须信守自己的诺言,重新恢复人类和自然的秩序，永远不能再毁坏。

耶鲁公开课 - 旧约导论课程节选

which means that I have to take one of Arts and one of philosophy and one of biological sciences

还意味着我必须选一门艺术类课程，一门哲学类和一门生物学类课程，

伯克利的课程计划 - SpeakingMax英语口语达人

The Lady's talent has to be spent in order to fulfill the covenant of the trust between the master and the servant.

小姐的才能必须要利用,按主人和仆人之间的信任契约去做。

耶鲁公开课 - 弥尔顿课程节选