Those who began smoking within a month of the study's start were four times as likely to be depressed at the study's end than those who did not begin smoking.
那些在研究开始后一个月内就开始吸烟的人在研究结束时抑郁的可能性是那些没有开始吸烟的人的四倍。
We observe that the first calls for radical transformation did not begin until the period of the industrial revolution.
我们认为，首次要求彻底改革的呼声直到工业革命时期才出现。
Lao Pan did not begin to understand China until he and his family took a 3-month drive around the country.
直到老潘和家人驱车周游中国三个月后，他才开始了解中国。
Her hobby for collecting the shoes did not begin until 2000, when she found a beautiful pair at a Spring Festival market.
她收集鞋子的爱好直到2000年才开始，当时她在春节集市上发现了一双漂亮的鞋子。
In all likelihood, prices will not begin a new and steep decline.
但也很有可能，房价将不会开始新一轮大幅下跌。
Do not begin eating until the hostess starts.
在女主人用餐之前，不要先开始用餐。
American history does not begin with Columbus's 1492 arrival in America.
美洲人的历史并不是从1492年哥伦布抵达美洲开始的。
Expressions must not begin with an operator, comma, or closing parenthesis.
不可以用操作符、逗号或闭括号作为表达式的开始符。
Do not begin installation of compartments until conditions are satisfactory.
在外部条件不具备时，不要安装隔间。
Tony did not begin on the bottom rung of the ladder. He began in the basement.
托尼不是从最低—级阶梯往上爬的，他是从地下室往上爬的。
The mountaineers did not begin to come down the mountain till they had reached the top.
登山者们在登上顶峰以后才开始下山。
Her enlarged salary would not begin for ten days yet — would not reach her for seventeen.
她的薪水要等十天以后才开始增加，要等十七天后才能到她的手中。
Also notice that unlike regular properties, a class constant does not begin with the dollar sign.
还要注意，与常规属性不同，类常量不以美元符号开始。
As matters turned out, serious talks did not begin as rapidly as they had led us to believe.
事实证明，认真的会谈并不象他们让我们相信的那样很快就开始。
This step does not begin until you are aware of the area, its people, schedules, and patrols.
直到你充分了解了一处地方、当地的人、时间表和巡逻情况后，你才能开始这一步。
'Who amI? is the final question that everyone answers, so why not begin with the finalquestion?
“我是谁？”是每个人都要回答的终极问题，因此为什么不从这个终极的问题开始呢？
The symptoms of sunburn do not begin until two to four hours after the sun's damage has been done.
晒斑的症状在阳光损害后两到四小时才会显现。
Merck and Schering did not begin such a trial until October 2005, three years after ezetimibe was approved.
在ezetimibe批准上市后三年，直到2005年10月，默克和先灵葆雅才开始这个试验。
You may not begin to appreciate the importance of governance policies until the first SOA project is complete.
可能要到第一个SOA项目完成后，您才会开始意识到治理策略的重要性。
However, the umbrella did not begin its life as an ordinary object. It was a sign of royalty or importance.
然而，伞在发明之初并非一件普通物品，它是王权或重要性的象征。
Each identifier is a nonempty sequence of letters, digits, and underscores that must not begin with a digit.
每个标识符都是字母、数字和下划线的非空序列，且序列不能以数字开头。
Produce fruit in keeping with repentance. And do not begin to say to yourselves, 'We have Abraham as our father.
你们要结出果子来，与悔改的心相称，不要自己心里说，有亚伯拉罕为我们的祖宗。
If Mr. Knightley did not begin seriously, he was obliged to proceed so, for his proposal was caught at with delight;
如果奈特利先生开始说的时候还不是很当真，说到后来就不能不当真了，因为他的提议被对方欣喜地抓住不放了。
Young quetzals can fly at about three weeks of age, but males do not begin to grow their long tail plumes for three years.
还长成的凤尾绿咬鹃在三周大时就可以飞了，不过，雄鸟在出生后的三年之内不会长出长长的尾羽。
Construction, though, will not begin for a few years yet; the plans are not completed, and the centre's funding is not in place.
然而建筑近几年内暂不会动工，因为计划还不完善，且修建该中心所需的资金也没到位。
Teams are so conditioned to follow orders that they will often not begin to self-organize until there are no orders available to follow.
团队习惯于遵循指令而无法开始进行自组织，除非没有任何指令可以遵循。
England's preparations for this World Cup did not begin in Austria four weeks ago, but when Fabio Capello took the job in December 2007.
早在2007年12月法比奥·卡佩罗执掌帅印之时，英格兰队就已经着手备战世界杯，而不是始于4周之前的奥地利。
England's preparations for this World Cup did not begin in Austria four weeks ago, but when Fabio Capello took the job in December 2007.
早在2007年12月法比奥·卡佩罗执掌帅印之时，英格兰队就已经着手备战世界杯，而不是始于4周之前的奥地利。
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