Cleansers may kill bacteria, but they are also hazardous to human health and to the environment. They can even cause genetic problems. In these days of ever-present cleansers, it's best to be cautious.
清潔劑一面殺菌，一面傷人，甚至禍及環境、遺毒子孫，崇拜「清潔萬能」的現代人，可要小心了。