留级

A : Ifyou don't study hard, you'll flunk out.

如果你不用功读书，你会留级喔。

B : You'd better keep your mind on your studies, otherwise you may flunk out.

你最好专心读书，否则你可能会留级。

Wesley Crusher aits helping to cover up a fatal accident at Starfleet Acady and is held back for a year.

魏斯理在星舰学院为了帮忙掩饰而承认了一项严重的意外，因此而被留级一年。

However, while a great number of penalties can , no doubt . plausibly be treated as retroactive license fees , this is hardly true of all of them . It is certainly not true . for example , of most demotions , firings , and flunkings , that they are'prices'paid for some already consumed benefit ; and even parking fines are sanctions for rules "meant to be taken seriously as ... standard of behavior ," [5][5]and thus are more than mere public parking fees .

然而，当大量这样的处罚毫无疑问地被作为有追溯性的许可收费合理对待，这是对他们的处罚作为收费性许可几乎很难接受，例如，这当然不是正确的，绝大多数留级的、开除的、不及格的人，他们是为已经消费的利益支付价格；尽管停车罚款是规则的制裁意味着严厉地作为行为标准，因此，罚款的数目是超过公共场所停车的收费的。

Can not change anything, perhaps they are not able to accept the reality, or because they are repeaters to feel themselves as inferior!

却无法改变什么，也许是自己不能够接受现实，还是因为自己是留级生而感到自卑吧！

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。