While various methods are used in the teaching of vocal music, it is the use of technical terms supported by analogy, demonstration and imitation that can be most effective.

声乐教学方法多种多样，而比喻、范唱、模仿是常用的授课手段，只有将三者有机地结合起来，才能取得良好的教学效果。

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But the 50-year-old British stage and TV veteran could not treat those physical similarities to Ms. Garland as an unqualified advantage: Instead, she tried to keep her natural vocal qualities in check to avoid slipping into an imitation.

WSJ: Tracie Bennett as Judy Garland, Capturing the Essence of a Legend | Creating