to make a copy of data to prevent loss
为了防止数据丢失而制作数据的副本 (wèile fángzhǐ shùjù liúshī ér zhìzuò shùjù de fùběn)
"It’s important to regularly back up data on your computer."
"定期在你的计算机上 备份数据 是很重要的。" (Dìngqī zài nǐ de jìsuànjī shàng **bèifèn shùjù** shì hěn zhòngyào de.)
to release negative emotions or painful memories; to stop ho...
to separate or distinguish from others
to spend less money than you earn
to connect or act across national or cultural boundaries
to compare one factor with another to maintain equilibrium
to listen to or watch something that was previously recorded
