如果一个猴子得到一个葡萄而根本不必用自己的代币交换,那么其他的猴子要么把代币丢向研究员丢或丢出房间,要么拒绝接受黄瓜片.
And if/引导条件状语 one monkey received a grape / 伴随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
然而无论是否卷尾猴和人类在各自独立进化出来的清晰的思维,或是是否它们起源于3500万年前的人类的共同祖先,至今都是个迷。
However/, whether such a sense of fairness evolved independently in capuchins and humans, or whether it stems from the common ancestor that the species had 35 million years ago,/ is,/ as yet/, an unanswered question. |