“mutual obligations”可以造什么句，mutual obligations造句

The discharge of a contract means in general that the parties are freed from their mutual obligations.

Guanxi is a system of exchanging favors that builds mutual obligations that are difficult to refuse.

The names of father, child, brother, sister are no mere complimentary forms of address; they involve quite definite and very serious mutual obligations which together make up an essential part of the social constitution of the peoples in question.