preferred size

基本解释

A width and height of "-1" indicate that the figure should be given its preferred size.
宽和高的值为“-1”，表明应当为该图提供理想的大小。
Of course, party leaders often have cliques and courts (judging by Mr Cameron, Mr Blair and Gordon Brown, four or five is the preferred size of the inner circle).
当然，政党领袖们通常有自己的派系和法庭。（由卡梅隆先生，布莱尔先生和戈登布朗进行裁决。
If you are looking for a cruising sailboat, depending on your preferred size range, you may be choosing between a sloop and a ketch, the two most common types of cruising sailboats.
如果你在寻找的是一只航行用船（对应于竞赛用船——译者注），那么根据你偏好的尺寸范围，你可能会面临在一艘单桅帆船或双桅帆船之间做出选择，这是两种最常见的航行用船。

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