事业的发展、竞争的需要,人们用嗓子的时候非常多,没有一付好嗓子,是很难适应挑战性很强的工作的。比如影视演员,戏剧家,歌唱家;比如教师,学生、社会工作者;比如售票员、推销员、咨询员,以及各行各业的窗口人员,都是每天每时不停地运用嗓子工作。 The development of business, the need of competition, when people use their throats very much, without a good voice, it is difficult to adapt to a very challenging job. Such as film and television actresses, dramatists, singers; such as teachers, students, social workers; such as the conductor, salesman, counselor, and window staff in all walks of life, are constantly using throat work every day.