1. Bonpland was doubtful whether, even then, it was safe.
    即使如此，庞普朗还是怀疑这水是否安全。

2. But if he'd been able to speak with an educated accent in those early short comedy movies, it's doubtful if he would have achieved world fame.
    但假如他在早期那些短小喜剧电影中能操一口受过教育的人的口音，那么他是否会闻名世界就值得怀疑了，

3. What accounts for this difference?
    如何来解释这一差别呢？

4. The director has an entertainment allowance.
    董事有一笔交际费。

5. The bank certified my accounts.
    银行证明我的帐目无误.

6. Though we may enjoy reading about the lives of others, it is extremely doubtful whether we would equally enjoy reading about ourselves.
    我们都喜欢看关于别人生活的报道，但是否同样喜欢看关于自己生活的报道，就很难说了。

7. He is a doubtful character.
    他是个可疑的人物。

8. "The average woman takes in only two thirds of the recommended daily allowance for iron," notes another expert.
    另一名专家注意到，"普通女性只摄入了日需铁含量的三分之一。"

9. Silence is sometimes equivalent to an allowance.
    缄默有时等于允许。

10. Other countries have also been known to put pressure on foreign companies to make donations to party bank accounts.
    据闻其他国家也是如此，向外国公司施压，要他们向党派组织的账户捐款。

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