以免以防
So as to prevent
以上为机器翻译结果，长、整句建议使用 人工翻译 。
就像你经常保存你的文章以免丢掉工作成果，或是备份你的全部硬件驱动以防它的崩溃，为你的社交媒体数据保留一份备份是一个谨慎的做法。
Just as you save your essay constantly so you don't lose your work, or back up your entire hard drive in case it crashes, it's prudent to have a copy of your social media data.
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