Collective lesson preparation plays a very important role in coping with this problem.
集体备课对解决该问题起了非常重要的作用。
The WHO, which shoulders the heavy responsibility of keeping everyone in good health, should play an important role in coping with this problem.
世界卫生组织肩负着让所有人保持健康的重任，应在此问题上发挥重要作用。
The WHO, which shoulders the heavy responsibility of keeping everyone in good health, should play an important role in coping with this problem.
世界卫生组织肩负着让所有人保持健康的重任，应在此问题上发挥重要作用。
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