2)? Speak at an appropriate volume and make good use of the microphone to deal with the lack of volume.
3)? Speak slowly, pause and inhale frequently between speeches, and don't lengthen a word.
Four)? The tone of your speech should not be too low or too high, and the stress of every sentence should not be prefixed.
V)? Whispering is not the right way to speak.
6)? When talking for a long time, drink plenty of warm water and keep your throat moist.
Seven)? Try to speak easily with your abdomen (that is, Tian Dan), not with your chest or tense neck muscles.
Eight)? Don't smoke, drink, eat spicy and fried food, such as strong tea, coffee, pepper, chocolate, cold drinks, etc.
Nine)? Actions such as clearing your throat and coughing should be avoided.
Ten)? Get enough sleep and don't eat too much before going to bed.
Eleven)? Exercise properly and keep a happy and relaxed mood at all times.
Twelve)? When you have a cold, you should talk as little as possible. At this time, you should drink more warm water and maintain your vocal cords.
Thirteen)? Throat lozenge, fructus Siraitiae Grosvenorii, loquat cream or red elm