不需要的的用法和样例：
例句
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无用数据，无用单元，无用信息在输入、输出或存储方面不正确的、无意义的或不需要的信息
Incorrect, meaningless, or unwanted information in input, output, or memory. -
棒球分会附属于一个高级联合会俱乐部的小联合会俱乐部，其负责训练新成员和保留暂时不需要的队员
A minor-league club affiliated with a major-league club for the training of recruits and the maintenance of temporarily unneeded players. -
她花了冤枉钱，买的是她自己并不需要的东西。
She has wasted her money on things she doesn't need.
