for one thing 雅思

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

你知道吗？你应该戒烟。来，你在损害自己的健康，二来，你也抽不起！

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

简而言之，有名函数表达式只对件作有用，在调试器和性能测试器中描述函数的名称。