And if one received a grape without having to provide her token in exchange at all, the other either tossed her own token at the researcher or out of the chamber, or refused to accept the slice of cucumber.
如果一只猴子根本无需用代币就能够得到一颗葡萄的话,那么另外一只就会将代币掷向研究人员或者扔出房间外,或者拒绝接受那片黄瓜。