translation.en: That's not sad, that's good, but the sad truth is, it'll only get about 25 percent of the leakiness of your building, if you do these things, which are good ideas.
translation.zh: 我说它悲剧是因为此举只能减少楼房的能量流失的25% 如果你这样做了，也不失为一种明智的举动。 如果你想与一间这样差劲的房子的