台湾籍旅美老师今天交给我们的句子是：

So, in terms of speaking: when you're speaking in a group or in a public place, try not to speak in a very loud voice. Don't speak too loudly; keep your volume relative to other people's volume. All right?
就说话而言，当你在群体中或是公开场合发言，试着不要很大声的说话。说话不要太大声，把音量降低至和其他人同样大小就好。可以吗？