Recall that they allocate extra space at the end of their internal array to allow for efficient appending.

它们在其内部数组的末尾分配额外的空间，以便有效地附加字符。

youdao

Recall that they allocate extra space at the end of their internal array to allow for efficient appending.

它们在其内部数组的末尾分配额外的空间，以便有效地附加字符。

youdao