佳句参考：
1. If the claims of the other side prove true, we may be forced to alter our position.
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。
2. 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。
3. 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。
4. 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。
5. 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。
