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

Tie::CharArray is in fact a very good way to forget about the particulars of the Perl substr() or pack()/unpack() or split() functions.

CharArray 实际上是不考虑有关 Perl 中 substr() 或 pack() / unpack() 或者 split() 函数的细节的极佳办法。

youdao

Therefore it is very important to provide good quality product images with easy graphic manipulation functions for zooming, panning and rotations.

因此，提供高质量的图片，并提供缩放，平移，旋转等简易图片操作功能，十分重要。

youdao