47、目前世界上使用的语言估计有几千种.

It is estimated that there are several thousand languages and dialects spoken in the world today.

48、另外一个人似乎胸有成竹.

There was another man who seemed to have answers.

49、他们聊得情投意合,只觉相见恨晚.

They found so much in common that they regretted not having met earlier.

50、我想再问您两个问题,您不会介意吧?

You don’t mind my asking you two more questions, do you?

51、因为外面声音嘈杂,他没法让大家听到他讲的话.

He couldn’t make himself heard because of the noise outside,

52、今天开会还是明天开会都一样.

It doesn’t make any difference whether(if) the meeting is held today or tomorrow.

53、我们建议尽快召开一次会议.

We suggest that a meeting (should) be held as soon as possible.

54、使我们失望的是, 他没有恪守诺言.

To our disappointment, he failed to keep his promise.

55、在你的建议中没考虑老人们的特殊需要.

In your proposal you haven’t taken into consideration (account) the special needs of old people.

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