反之，有一条必须遵循的路线。

Instead there is a route that must be followed.

youdao

Mike Wade列出了必须遵循的一些规则。

Mike Wade lists a number of rules that must be followed.

youdao

回忆一下，XML DAS通过读取XML模式文件获取SDO必须遵循的模型。

You will recall that the XML DAS gets its information about the model the SDOs must follow by reading an XML schema file.

youdao

Okay, common one, people see that now, well what that means is no longer is a three meal sufficient; there has to be a fourth.

这是人们常见到的一个广告,这意味着我们不再遵循每日三餐的准则,意味着我们必须吃第四餐

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选