At least they both have a hardware switch to silence the ringer.

但至少他们都有一个静音的硬件开关。

youdao

Please switch off your mobile phones or turn to silence during the performance.

演出期间请您关闭手机或将手机调至静音位置；

youdao

Please switch off your mobile phones or turn to silence during the performance.

请将手机关闭或调至静音状态。

youdao

Please switch off your mobile phones or turn to silence during the performance.

请将手机关闭或调至静音状态。

youdao