I usually capitalize all variables within my scripts, as shown in Listing 3, but you don't have to.

我通常使用大写形式来表示脚本内的所有变量，如清单3所示，但您不需要这样做。

youdao

By implementing the plus and minus methods, I've overloaded both + and - and can now use them in my scripts. Listing 5 demonstrates their behavior to add and subtract songs from a play list.

通过实现plus和minus方法，我重载了+和-，现在可以把它们用在脚本中了。

youdao

By implementing the plus and minus methods, I've overloaded both + and - and can now use them in my scripts. Listing 5 demonstrates their behavior to add and subtract songs from a play list.

通过实现plus和minus方法，我重载了+和-，现在可以把它们用在脚本中了。

youdao