If we tried to promote what we really flush down the toilet, I think some people might be grossed out.
如果我们试图推销我们真正冲进厕所的东西，我想有些人可能会感到恶心。
The phantom flush — that mysterious phenomenon in which your toilet seems to flush itself — can be little jarring late at night, not to mention a waste of water.
灵异冲水——你家厕所会自己冲水的神秘现象——不仅半夜有点吵，而且浪费水。
Plants and microorganisms filter wastewater so it can be reused to flush toilets and for other non-potable USES.
植物和微生物对废水进行过滤，以便重复使用于冲洗厕所和其它非饮用途。
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