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1·Unofficial estimates put the figure at over two million.

非官方的估计数字为200万以上。《牛津词典》

2·An unofficial grey market in the shares has been operating for about two weeks.

一个非官方的股票灰市已经运作了大约两个星期。《柯林斯英汉双解大词典》

3·He assisted in unofficial ways with the routine legwork in various investigations.

他在多个调查中例行外勤以非正式的方式来进行协助。《柯林斯英汉双解大词典》

4·In July he issued a decree ordering all unofficial armed groups in the country to disband.

7月份，他颁布了一项法令，命令解散该国所有非官方武装团体。《柯林斯英汉双解大词典》

5·Staff voted to continue an unofficial strike in support of seven colleagues who were dismissed last week.

全体职员投票继续非正式罢工以支持上星期被解雇的7个同事。《柯林斯英汉双解大词典》

6·This is matter for the law's consideration, not private and unofficial handling.

这是一个需要依法处理的问题，而不是由私人或非官方来处理。

7·It does them literally a world of good to see this unofficial world championship become just that.

他们真的很高兴看到这个非官方的世界锦标赛变成那样。

8·The former president paid an unofficial visit to China.

前总统到中国进行了私人访问。《牛津词典》

9·Unofficial estimates are higher.

非官方的估计数据则更高。

10·Official vs. Unofficial Web content.

官方内容与非官方内容混杂。