Because they're expensive. Sure, it helps that they protect your phone, too.

当然了，它们也能为您的手机提供点儿保护，并且解决信号问题。

youdao

Because they're expensive. Sure, it helps that they protect your phone, too.

当然了，它们也能为您的手机提供点儿保护，并且解决信号问题。

youdao