You could keep user IDs that are independent of the user name and associate the user ID with the S3 object, but that gets needlessly complicated for our purpose—to build a simple photo-sharing site. 您可以使用独立于用户名的用户 ID 并将用户 ID 与 S3 对象关联在一起，但是这添加了不必要的复杂性，因为我们的目的是构建一个简单的照片共享站点。
It would also discourage people from needlessly hogging data. 它还将阻止不必要的人占用的数据。
原声例句
To patriots who are not members of organized resistance groups, I say: Continue your passive resistance, but do not needlessly endanger your lives.
beauty pageants take the time needlessly of both the participants and the viewers 选美比赛占用了参赛选手以及观众不必要的时间。 选美大会，很不错 - SpeakingMax英语口语达人
权威例句
About 450, 000 Americans die needlessly each year from inhaling the toxins and carcinogens in smoke. FORBES: How Health Regulators Are Killing American Smokers
Some say a tax credit that needlessly spends government money will only hurt homebuyers. FORBES: Magazine Article
