每日口說挑戰 為何巧克力會令人上癮？

今日挑戰句子

volunteers were given either chocolate or a pill with almost all the same active compounds.<br/> The pill alone did not satisfy.

將巧克力或含有大部分活性複合物的藥丸分配給受測者。<br/> 單純藥丸是無法讓人感到滿足的。