This is an application of a relatively large number of applications, functions very powerful and also very good use.

这也是一个应用的比较多的一个应用程序，功能很强大，也很好用。

youdao

Although the functions that accept callback functions are powerful, there isn't a good way to do a one-off callback function without some very inelegant work.

虽然接受回调函数的函数功能十分强大，但是没有一种好方法可以执行一次性回调函数，而无需执行一些非常笨拙的工作。

youdao

Although the functions that accept callback functions are powerful, there isn't a good way to do a one-off callback function without some very inelegant work.

虽然接受回调函数的函数功能十分强大，但是没有一种好方法可以执行一次性回调函数，而无需执行一些非常笨拙的工作。

youdao