say for短语⁹⁸⁶⁷ 基本例句 替…说话;为…辩解 Say for example, you want to change the concept of login in your application from just using username which was where you started at in story1, to username and password. 比如说，你想改变你的应用程序只用用户名登录的想法这始于用户故事1，转而使用用户名和口令登录。 infoq