they do cost 3% to 8% more than conventional buildings,but the higher cost is these building with
these building with their own water harvesting and solar power systems are catching on all over the world and even the high price is no deterrent.4563 想知道全句翻译.想知道的语言点：1— water harvesting 怎么翻译 2—the high price is no deterrent.这个 deterrent应该怎么翻译.补充：1—catch ：动词.赶上,抓住,领会,捕捉.catch on：变得流行.are catching on ：正变得流行.3—all over ：到处,遍及.