送交者: steven 于 2006-2-27, 11:38:04:
回答: Also you overestimate the people's compassion 由 HunHunSheng 于 2006-2-27, 09:33:10:
due to the number of people with cardiovascular disease, and heart burn. However, for those who run 4 miles in less than 30min, they can surely avoid "heart pain" :).