请教RF4

四十还是惑

今天查了CITY的网，这是RF4的定义，This zone provides the opportunity for primarily semi-detached and duplex housing. 哪位高人可用中文给解释一下，这种地的用途。先谢谢了

webants

Semi-detached housing consists of pairs of houses built side by side as units sharing a party wall and usually in such a way that each house's layout is a mirror image of its twin.  this style is sometimes colloquially called a duplex; elsewhere, however, "duplex" refers to a building split into two flats/apartments (one above the other). The style is usually referred to in the mid-Atlantic (particularly Philadelphia) as a twin.
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就是一个房子俩家了。应该和RF2差不多吧

四十还是惑

谢谢楼上的解答。就是说RF4和RF3的地都可以盖DUPLEX。