注意，这个批量复制操作做了一些假设，这在真实的应用程序中可能不安全。

Note that this bulk copy makes some assumptions, which may not be safe ones in real applications.

youdao

注意，这个批量复制操作做了一些假设，这在真实的应用程序中可能不安全。

Note that this bulk copy makes some assumptions, which may not be safe ones in real applications.

youdao