您不需要任何东西除了数组切片之外，因此我避免为此创建一个子项。

You don't need anything beyond an array slice, so I'd avoid creating a sub just for this.

my @wanted = @array[@indices];

如果使用数组引用，则适用相同的配方：

If you're working with array references, the same recipe applies:

my @wanted = @{$array}[@$indices];