Mules have strong muscles like horses; but they eat less, can work longer, and are gentler, like donkeys.
出自-2017年6月聽力原文
Do you know where a mule comes from? It is the child of a donkey and a horse.
出自-2017年6月聽力原文
But people still mostly fed carrots to horses, donkeys and pigs, and didn’t eat them themselves.
出自-2017年6月聽力原文
Technology has cut out much of life's donkey work, and we have more freedoms than ever: we can wear what we like and communicate with hundreds of friends at once at the click of a mouse.