质量保证

One is sitting on the floor, in a so-called cross-legged position, and the other is in a chair.

一种是坐在地板上，交叉双腿，另外一种是坐在椅子上。

In the UK, for example, the unbuilt Lochnagar Street and River Hull bridges are included, but the Sackler Crossing at Kew and the Infinity Bridge at Stockton are out.

在英国，例如，未有兴建洛赫纳加赫尔街和河大桥包括在内，但英国皇家赛克勒隧道和无穷的斯托克顿桥被淘汰。