It's just like Spanish bullfighting, American rodeos, or lions that jump through hoops or dogs that roll on top of balls in the circus--though we may get a good laugh out of them, there have always been little voices of doubt.
就像聞名世界的西班牙鬥牛、美國西部牛仔的馴馬、套羊表演，或是馬戲團中跳火圈的獅子、滾皮球的小狗，雖然都帶給人們許多歡笑，卻也都有質疑聲音出現了。