1、 They argue that the amendment undermines Canadian federalism.
他们认为这项修改会逐渐损坏加拿大联邦主义。
来源:
2、 Demanding too much of air travelers or providing too little security in return undermines public support for the process.
如果对飞机乘客的要求过于苛刻,或者相应的安全保障太少,反而会削弱民众对安检的支持。
来源: