for one thing 雅思

In a nutshell, named function expressions are useful for one thing only - descriptive function names in debuggers and profilers .

言之，有名函数表达式只对一件工作有用，在调试器和性能测试器中描述函数的名称。

You ought to stop smoking, you know. For one thing, you’re damaging your health, and for another, you can’t afford it!

你知道？你应该戒烟。一来，你在损害己的健康，二来，你也抽不起！