your useless files
无用的文件
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Their manual synchronization of your changes, followed by committing of their work, makes the version control system useless for these configuration files.
他们会手动同步这些更改，然后提交他们的工作。这样一来，版本控制系统对于这些配置文件来说已经毫无用处。
youdao
You also need to get rid of those useless, space-wasting files on your hard drive.
CNN: Sluggish PC? Give it a workout
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