它可以很快地让您了解应用程序中最花费时间的部分，这很不错，但是在实际找出哪些代码运行得慢并且加以改进 这方面不是很有用。

It's great for quickly getting a perspective on the major time sinks in an application's execution, but may not be very useful in actually isolating which code is running slow and can be improved.

youdao

它可以很快地让您了解应用程序中最花费时间的部分，这很不错，但是在实际找出哪些代码运行得慢并且加以改进 这方面不是很有用。

It's great for quickly getting a perspective on the major time sinks in an application's execution, but may not be very useful in actually isolating which code is running slow and can be improved.

youdao