The door hadn’t even fully closed behind him when Mary Ann said, “I’ve got to tell you something incredible,” and she took a bottle out of the case and held it out for me to open.
If you're hot and thirsty after a 20-minute run in summer heat, it's easy to guzzle that bottle in 20 seconds, in which case the caloric expenditure and the caloric intake are probably a wash.
如果在炙热的夏天跑20分钟,你会感到又热又渴,就很容易在20秒钟内狂饮那么一瓶。
3
Then, they are asked how much they would pay for a consumer product, in this case, a water bottle.