Any stream with an internal buffer should override this method and provide a much more efficient version that writes to the buffer directly, avoiding the extra array allocation on every call.

所有具有内部缓冲区的流都应重写此方法，提供一个直接写入缓冲区的有效得多的版本，以避免每次调用时都要进行额外的数组分配。

youdao

On the other hand, Oracle requires explicit allocation operations prior to adding elements to an array.

另一方面，在将元素添加到阵列以前，Oracle 需要明确的分配操作。

youdao

You can, for example, use a vector in much the same way as you would use an ordinary C array, except that vector eliminates the chore of managing dynamic memory allocation by hand.

举个例子，你可以使用vector就像使用普通的c数组，除了vector不能手工申请管理动态内存。

youdao

Rather, look at a broad array of factors, including your portfolio allocation.

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