大肠杆菌通常存在于人类或许多动物的肠道内，多数的大肠杆菌是无害的，但部分大肠杆菌能够使人致病。
E. coli bacteria naturally live in the intestines of humans and many animals. Most kinds of E. coli are harmless but some can make people sick.
问题是如何使真菌孢子均匀地铺在水面，并保证这些真菌对环境是无害的。
The question was how to apply the fungal spores to the water evenly to ensure uniform coverage, and still be environmentally safe.
而且，尽管怀疑论者可能对此次合作不以为然，奥斯拉认为使绿色时尚成为主流的任何努力都有益无害。
And while sceptics may frown at the collaboration, Orsola argues that anything that gets ethical fashion into the mainstream can only help.
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