除了物质上的凌乱外，我们很多每天还背负了精神上堆积的杂物。
Beyond physical clutter, most of us carry accumulated stuff with us each day - mentally.
他们还担心精神疾患和心理忧虑问题，担心烟草、酒精以及其它有害物质的使用可能上升。
They are also concerned about mental illness and anxiety, and a possible jump in the use of tobacco, alcohol, and other harmful substances.
也不是说完全就将其放弃，这里还存在着一个真正的问题，那便是你如何尝试用公式表达出，介于精神物质和物质物质之间的法则。
Doesn't actually go away completely there is a genuine issue here about how you would even try to formulate the sorts of laws that might hold between a mental substance and a physical substance.
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