然而，人们总是忍不住要在剪辑中加入预先录制的笑声。
However, the temptation is always there to add canned laughter in the editing.
它还带有一个扩音器，播放预先录制的信息，提醒游客保持社交距离的重要性。
It also carries a loudspeaker to broadcast a pre-recorded message to remind visitors of the importance of social distancing.
劣质的塑料耳机还在哼着航空公司预先录制的曲子。
Out of the plastic stereo headsets you can hear a little hum of prerecorded music.
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