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。

youdao

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。

《柯林斯英汉双解大词典》

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。

youdao

But visitors did not begin to go to there in large numbers until nineteen-oh-one.

VOA: special.2009.10.07

Milton acknowledges that the course he's chosen for himself may not be a natural one: Nature herself pushes a young man to begin a family and to seek credible employment .

弥尔顿知道他选择了一条,不那么正常的人生道路：,天性使得一个年轻人去结婚,去找一份可靠的工作。

耶鲁公开课 - 弥尔顿课程节选

Now here we have a situation where you have a completely concocted food, you have something like Twinkies to begin with, not something found in nature.

面对的全是人工调制食品,而非纯天然食品,以夹馅面包为例

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This contrast between Mr. Bush and his detractors did not begin in the last four months.

NPR: Bush Banks on Elections at Home, Abroad

Though the new site's launch is next week, marketing will not begin until the autumn.

ECONOMIST: Net wealth

But a momentary bump, no matter how significant, does not begin to address Bayer's larger problems.

FORBES: Magazine Article