将座脚放在瓶子上面，后倒置在鱼缸玻璃片上。
Attach the PVC pipe on the top of bottle and put it on the aquarium.
到周末的时候，如果他觉得这个周里他做了一件非常有意义的事情，他就把玻璃球拿出来放到另外一个鱼缸里去。
At the end of each week, if he did something that he felt was worth something, he took one marble out of one fish bowl and put it in the other.
我曾听说个故事，讲一个人准备了两个鱼缸，每过一个周都会往其中一个里面放一颗玻璃球。
I heard a story of a man who set up two fishbowls and filled one with a marble for every week he has left to live.
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