Besides the unpalatable taste, our weak jaws, tiny teeth and small guts would never be able to chomp and process enough calories from the fruits to support our large bodies.

• 除了味道难吃，我们的下颚不够强壮、牙齿太小、肠子也小，不可能嚼碎并消化这样的果实，也无法从中取得足够的热量，来支撑我们庞大的身体。