It needs cooperation from all the countries to get any movement in arms control.
要在军控方面取得进展需要所有国家的合作。
Bone defects repair is a common orthopaedics clinic operation which needs cooperation among multi-subjects.
骨缺损修复是骨科临床常见手术，需要多学科的合作才能完成。
Bone defects repair is a common orthopaedics clinic operation which needs cooperation among multi-subjects.
骨缺损修复是骨科临床常见手术，需要多学科的合作才能完成。
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