1. In a letter to a friend in 1821, Ludwig van Beethoven wrote about thinking of a beautiful tune while half asleep in a carriage:
    1821年，路德维格·范·贝多芬在一封给朋友的信中谈到他在马车上打盹时想到了一首美妙的曲子的情形，

2. In fact, more than half of all roses are sold in groups of fewer than a dozen, says the Floral Index, a private firm that researches the flower industry.
    据一家名为"花卉指数"的研究花卉业的私人公司指出，事实上，一半以上的玫瑰都不是成打出售的。

3. In the United States, a survey released earlier this month found that nearly half of employed married women contribute half or more of their family’s income.
    在美国，本月初公布的一项调查表明，将近一半的已婚职业女性的收入占家庭总收入的一半或更多。

4. If you must travel to remote areas where taxis are few, or if you plan to make many stops throughout the day, you will probably find it easier and cheaper to hire a taxi for the day or half-day.
    如果你一定要到出租车稀少的偏僻地区旅游，或者你一天中打算做多次停留，你会发现包租全天或半天的出租车更方便、更便宜。

5. In the first half, the company earned 75 million francs, mainly from investment income and sale of construction rights on its site.
    在前半年里，公司共赢利7,500法郎，主要是投资收入和出售公司地盘上的建筑权所得。

6. When more than half of marriages end in divorce,
    当半数以上的婚姻以离婚收场，

7. For nearly three and a half centuries she lay at the bottom of Stockholm harbour until her discovery in 1956.
    这艘大船在斯德哥尔摩港口的海底躺了将近几年来个世纪之后，直到1956年才被发现。

8. For what, I sometimes wonder; so that she can struggle to breathe through most of her life feeling half her strength, and then die of self-poisoning, as her grandfather did?
    有时我纳闷：自己这样做到底是为了什么? 难道是为了她今后大半辈子有气无力地挣扎着呼吸，然后再像她外公那样自己把自己毒死？

9. For years Sundback lay awake half the night trying to solve the problem. In 1913 he designed a hookless fastener that worked.
    一连几年，森德贝克夜不能寐，试图解决这一问题。1913年，他设计了一种性能理想的无钩扣件。

10. For more than half an hour 38 respectable Brooklyn, New York citizens watched a man attack and stab (刺杀) a woman three separate times.
    在半个多小时的时间里，纽约布鲁克林区38名体面的居民旁观了一名男子三次袭击并最终刺死一名女子的过程。