For a sharper image you can make a better pinhole by cutting a one-inch square hole in the carton, taping a piece of aluminum foil over this hole, and then making the pinhole in the foil.

要想看到更美地景观，你行的意思可以做一个更好地观察孔可以。在纸箱内切一个一英寸地方型孔，在孔上贴一层铝泊片，然后在泊片上打个孔可以。

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If rubbish was in fact valuable, if you could make money by recycling it, then no one would want to put it in a hole in the ground.

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