"The destructiveness of manmade composites is slow, but fatal," says Li Feng. It is only after many products have reached the market and spread broadly that it is discovered that they can lead to cancer, infertility, or birth defects.
「人為合成物質的破壞性來得緩慢卻致命」，李豐說，很多產品往往到廣泛商業化後，才被發現是會導致癌、導致不孕、或胎兒畸型等。