宕机

rú guǒ nǐ shǐ yòng de shì huò zhě shì nà me nǐ yī dìng duì xì tǒng bēng kuì yǔ dàng jī bù mò shēng ba

如果你使用的是Mac或者是Windows，那么你一定对系统崩溃与宕机不陌生吧。

If you're using a Mac or Windows, it goes without saying that you are intimately familiar with crashes and downtime.