如果对方的主张被证明是正确的，我们可能被迫要改变我们的立场。

　　207. The urgent need for nuclear nonprolifeation is undeniable . Moreover , failure to halt the spread of weapons of mass destruction increases the chance for nuclear holocaust .

　　防止核扩散的紧迫性是不可否认的。此外，制止大规模杀伤性武器扩散的失败增加了核毁灭的可能性。

　　208. Having recognized the problem , it follows that we must develop a plan of action .

　　意识到了问题，接下去我们必须制定行动计划。

　　209. Governments have reached a consensus on the need for peace and it follows that actions speak louder than words . 政府一致同意和平的必要性，接下去就是行动胜于语言了。

　　210. The convincing proof that smoking causes cancer has failed to convince hundreds of millions of people to abandon the vile habit .

　　抽烟致癌的有力证据没能说服数百万人改掉这一恶习。

　　211. Traffic laws are of little use if drivers simply ignore them and law enforcement departments fail to adopt effective enforcement programs .

　　如果司机完全无视交通法，法律实施部门不能采取有效的实施程序，交通法就没有一点儿作用。

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　　212. Agricultural modernization cannot be achieved unless the government substantially increases funding ; farmers accept advanced agronomic techniques ; and consumers engaged in a concerted effort to reduce unnecessary and exorbitant waste .

　　除非政府大幅度地增加投资;农民接受高级的农业技术;消费者共同努力减少不必要的过度的浪费，农业现代化就不能实现。

　　213. Effective flood control is not only necessary , but is also essential for protecting the lives of millions of Chinese citizens . 有效地控制洪水不仅是必要的，而且对保护数百万中国公民的生命来说是必不可少的。