When is a child old enough to stay home alone?

小孩要几岁才够大到可以独自在家？

youdao

When my classmates play games happily outside, I have to stay at home and look out of the window alone.

当我的同学在外面开心地玩游戏时，我不得不呆在家里，独自看着窗外。

youdao

I'm frightened to stay at home alone.

我害怕一个人在家。

youdao

Sales in the UK jumped 60% on Monday alone after heavy snowfalls were estimated to have encouraged around one in five workers to stay at home.

CNN: Papa John's founder warns against eating too much pizza