co-operation and mutual benefit的用法和樣例：
例句
- A conference was held to recoganize and tighten up a local government.
召開(kāi)了一個(gè)會(huì )議改組和加強地方政府。 - Goldman and other survivors will benefit from the coming wave of debt issuance by federal, state and local governments.
高盛及其余幸存者將受益于由聯(lián)邦，各州以及地方政府即將發(fā)放的貸款。
