Professional Teaching Certification 专业的教师资格认证 In-class and Out-class Interactions 丰富的课内外互动交流 ..
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Teaching is supposed to be a professional activity requiring long and complicated training as well as official certification.
教学常被视作一种职业行为，需要经过长期复杂的训练，并需要获得官方的认可。
Teaching is supposed to be a professional activity requiring long and complicated training, as well as official certification.
教学是一个专业的活动，要求长时间的复杂的培训，这样的培训就像是官方证书一样严格。
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