在执行删除或重命名文件等重要操作之前，最好彻底地测试列表和仔细测试命令。

It's always a good idea to thoroughly test your list and also to test your command very carefully before committing to a bulk operation such as removing or renaming files.

youdao

如果某个Python开发人员从事十几个项目，他就必须记住十几个测试命令。

If a particular Python developer found himself working on, say, a dozen different projects, then he might have a dozen different testing commands to remember.

youdao

计算机网络有时会出现非正常运行问题，我们必须使用一些网络测试命令来检测和诊断网络故障。

There are abnormal running present sometimes in computer network, we have to call some commands of network testing to detect and diagnose the failure.

youdao

Yeah, I've still got a binding for z and I'm giving it the same test, but notice now I've got the two same commands but they have different indentation.

对，我还是对z进行了绑定,我还是要对它进行同样的测试，但是请注意现在我有了两个同样的命令,但是它们有不同的缩进。

麻省理工公开课 - 计算机科学及编程导论课程节选