write enough business 代表什么意思？

原文是The Commonwealth Bank has told thousands of mortgage brokers they will not be allowed to offer the bank's loans if they do not write enough business for the CBA.

其中的write代表什么意思呢？

enough is enough是什么意思？ Enough is enough 关于enough strong enough well enough、 good enough、 enough well、enough good的区别 初中英语“enough” BU是什么意思？ bu dui ??? enough light 还是 light enough? well enough和good enough