土耳其一群收垃圾的人正在回收人们扔掉的书。
A group of rubbish collectors in Turkey are recycling the books that people have thrown away.
除此之外，开发者的动机构成非常复杂，包括营收预期、用户群范围、筹资能力以及平台的实用性。
Moreover, developers are motivated by a complex set of incentives, which includes revenue potential, user reach, ability to raise funding, and the pure coolness or utility of a platform.
位于骨盆外侧的臀中肌和大腿内侧的内收肌群共同保持骨盆左右两侧的平衡。
The gluteus medius on the outside of the pelvis and the adductor group on the inside of the thigh balance the pelvis from the outside to the inside.
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