Another routine problem for people is learning to project and speak at the correct volume.

还有一个普遍问题就是人们要学会用适合的音量说话。

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The three ways to change your voice for intonation are: (1) Volume (speak louder), (2) Length (stretch out a word), and (3) Pitch (change your tone).

有三种方法可以调整声音形成语调：1）音量（读大点声），2）长度（拖长一个发音）3）音高（改变音色）。

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