然而，在缺乏母语环境的情况下学习作为外语的英语相当困难。

However, learning English as a foreign language is very difficult in the absence of a native language environment.

youdao

他在外国都能这样创造一个母语环境，我们在家为什么就不能自己创造一个外语环境呢？

If he can do this in a foreign country, why can't we do it from home with a foreign language?

youdao

允许您用自己的母语和环境来书写测试用例。

Allow you to write test cases in your native language and environment.

youdao