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But drivers have responsibility to ensure children under 14 years not to sit in front seats unless they fasten life belt.

但是司机有责任确保14岁以下的孩子不要坐在前排，除非他们系好了安全带。

However,a driver is responsible to ensure children under 14 from sitting in front,unless those who have tied life belt.

但是司机有责任确保14岁以下的孩子不要坐在前排，除非他们系好了安全带。

You should not go rafting unless you know how to swim, and you should always wear a life jacket.

如果你不知道怎样游泳，不穿救生衣你就不应该去划木筏。

You should not go rafting unless you know how to swim,and you should always Wear a life jacket.

你不该去漂流，除非你知道如何游泳，而且你总是穿好救生衣。

You should not go rafting unless you know how to swim ,and you should always wear a life jacket.

你不应该筏游除非你知道如何游泳而且总要穿着救生衣。

You shouldn't go rafting unless you know how to swim, and you should always wear a life jacket.

除非你会游泳，而且要一直穿着除非你会游泳，救生衣，否则就不应该去做漂流运动。

Unless he's done some unspeakable thing, you should lighten up.

除非他做了什么糟糕透顶的事，你都该高兴起来。

Unloading costs including lighterage and wharfage charges, unless such costs and charges were for the seller's account under the contract of carriage; and

卸载费用包括灯光使用费及码头使用费，除非该费用和支出於运送合同项下是为此卖主的帐；并且

This file must not be used lightly unless you know what you are doing.

此文件不能轻易使用，除非你知道你在做什么。

Unless you have a limerick right now.

除非你有写打油诗的灵感

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。