Security maintenance
[计] 安全维护
🧩 词语组成解析
🗣️ 情景例句
or we won't be finished by dinnertime.
要不然， 晚餐时间到了我们还做不完。
What a sauce for the goose is sauce for the gander.
不分畛域，一样对待。
This figure rises to a staggering 60% of men in their sixties.
而到60岁这个年龄段，这个数字上升到令人惊愕的60%。