转换和验证使您可以侧重于业务逻辑，而不是侧重于对输入数据进行繁琐的资格认定，比如null检验、长度限定、范围边界，等等。

Conversion and validation allow you to focus on business logic rather than the tedious qualifications of input data such as null checks, length qualifiers, range boundaries, etc.

youdao

有一些法规限定，非法进入美国的人，基本上等于是自己关上了未来取得移民资格的大门，因为非法入境的纪录会很难洗刷。

There are a number of provisions that say if you come in illegally you basically close the door on future immigration. An illegal entry is something that is very difficult to overcome.

youdao

有一些法规限定，非法进入美国的人，基本上等于是自己关上了未来取得移民资格的大门，因为非法入境的纪录会很难洗刷。

There are a number of provisions that say if you come in illegally you basically close the door on future immigration. An illegal entry is something that is very difficult to overcome.

youdao