送交者: HunHunSheng 于 2006-2-14, 13:52:07:
回答: 上周发明了避免被羊牛超过的长跑方法 由 Latino2 于 2006-2-14, 13:48:15:
I always alternative 跑顺时针 and 跑反时针. Some roads
are not even so that you always have one foot higher
than the other, which may accummulate to something bad.
By alternating, you even that out