每周上一次人

For example, members can only make a request for something once a week. And everything on the site must be for all ages.

例如，会员每周只能对物品提出一次申请；并且网站上的所有物品都必须适合各个年龄的人。

My room, on the other hand, was as sanitary as a morgue. The floorand window were spotless, the mattresses were aired each week, allpencils stood in the pencil holders, and even the curtains were washedonce a month. My room-mate was a cleanliness freak. None of theothers in the dorm believed me when I told them about the curtains.

不过相比之下，我的房间却干净的如同太平间，地板上纤尘不然，窗玻璃光可鉴人，卧具每周晾晒一次，前臂在笔筒内各得其所，就连窗帘每月都少不得洗涤一回，这都因为我的同室者近乎病态地爱洁成癖。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。