The URL above is perfectly valid, although this ability of path segments to hold parameters is almost never used (I've never seen it personally).
上述URL是完全有效的，虽然这种路径片段支持参数的用法几乎从来没有使用过的(我个人从没看到过)。
By contrast, vehicles in rich countries have averaged perhaps 1.3 occupants (with the number falling over time) and were almost never used as a form of exchange.
相比之下，富裕国家的车辆平均只有1.3个乘客(而且随着时间的推延，还呈现下降的趋势)，而且几乎从未用作交换的手段。
It was almost never heated in winter, nor was it used much in summer either.
这个客厅在冬天几乎从来就没给过暖气，夏天也没怎么使用过。
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