But actually only a few of the fungi all around us are harmful to human health, while the number that studies show to be "friendly" seems to be growing exponentially. Fungi are spread by spores, which may settle anywhere.
但充斥於生活空間的真菌，危害人體的其實有限；在人類努力探索下，友善的真菌卻似乎無止境地在增加。