what's the logic when you say "岂不是说老爱白忙了。"
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送交者: 2cents 于 2009-05-25, 15:08:16:
回答: 即使在真空中速度独立于质量也不是天然正确的。 由 短江学者 于 2009-05-25, 14:50:06:
I thought Galileo's logic is convincing. Some people still don't get it. This is like teaching undergrads, when you explain things clearly and yet some students just don't get it.
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