Meanwhile, the loss of the energy of speech is limited.
同时，这样处理造成的语音能量损失是有限的。
While preparing for my speech, I was at a loss about what I should say.
有一次在准备演讲稿时，我无从下手。
Moved by their speech, I was at a loss what to say.
被他们的发言感动，我不知说什么好。
Moved by their speech, I was at a loss what to say.
被他们的发言感动，我不知说什么好。
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