db.createCollection("accounts");
生活自理能力比知识储备更重要：能自己上厕所、吃饭、表达需求，是入园最坚实的底气。，更多细节参见夫子
，更多细节参见同城约会
第九十八条 船舶在装货港开航前，因不可抗力或者其他不能归责于承运人和托运人的原因致使合同不能履行的，双方均可以解除合同，并互相不承担赔偿责任。除合同另有约定外，运费已经支付的，承运人应当将运费退还给托运人；货物已经装船的，托运人应当承担装卸费用；已经签发运输单证的，托运人应当将运输单证退还承运人。，详情可参考heLLoword翻译官方下载
What are Moon phases?According to NASA, the Moon takes about 29.5 days to orbit the Earth. Over the course of this period, it moves through eight recognisable phases, what we call the lunar cycle. While the same side of the Moon always faces us, the amount of its surface lit by the Sun changes as it continues along its path. The shifts in sunlight create the different appearances we see from Earth, ranging from a fully illuminated Moon to a thin sliver or near darkness. The eight phases are: