The plan doesn't put a limit on emissions or require plants to reduce them by a certain year.
新规并没有限定排放的限额，也没有明确要求工厂必须在一定年限内降低多少排放量。
Many animals breed only at certain times of the year.
很多动物只在一年的某个时候交配繁殖。
Workers at Mexican Oil Company will receive a health incentive of almost $300 a year if they meet certain body weight standards.
墨西哥石油公司的工人如果达到一定的体重标准，一年将获得近300美元的健康奖励。
Their astronomers had discovered that at a certain time of year the brightest star, Sirius, would disappear.
他们的天文学家发现，在一年中的某个时候，最亮的天狼星会消失。
Each year red-winged blackbirds stop in a certain region of Midland Province on their spring and fall migration.
每年春天和秋天，红翼黑鹂都会在米德兰省的某个地区停留。
The seed suppliers tell me things will be better next year, but I am not certain I trust them.
种子供应商告诉我明年情况会更好，但我不确定是否能相信他们。
My own experience made me feel certain of becoming a mentor this year and helping other students like myself.
我确信凭着自己的经历，今年会成为一名导师，帮助像我一样的学生。
Would they consider buying your product at a certain time of year, or before or after a specific event?
他们会考虑在一年中的某个时间的购买你的产品吗？或是在什么具体活动的前后购买？
Oddly enough, certain times of the year, they eat the leaves; other times, they eat the stalks.
非常奇怪的是，一年中的某些时候它们会吃叶子，另一些时候，它们会吃茎。
You see, the average first year salary has to take into account a certain amount of risk that the person won't work out.
你要这样看，第一年的薪水一般来说总是要打一点折扣的，因为必须考虑到新人没有好的表现的风险。
Certain industries are proving particularly popular this year, notably the energy sector, where MBAs aspire to work in alternative energy.
今年，一些产业特别受欢迎，尤其是能源行业，MBA毕业生们非常渴望在替代能源领域工作。
In addition to the growth seen in many economies, certain industries will be enjoying major advances during the year and new products will often make life easier and more efficient.
猪年除了在宏观经济各方面有所成就外，某些产业也将因重要进展而在这年过的很滋润，而一些新产品也会使我们的生活更轻松、更有效率。
The Evening Star is the, roughly speaking, first heavenly body that's visible in the sky as it gets dark, at least at certain times of the year.
粗略说来，昏星就是，天黑时第一个能看见的天体，至少在一年的某个时间段是这样。
She personifies a certain Iran I've tried to evoke since the beginning of this year.
她把我在今年年初想要唤起的那个伊朗拟人化了。
From this data, it could be found whether certain age groups (22-30 year olds, for example) have a higher propensity to order a certain color of BMW M5s (75 percent buy blue).
从这些数据，就能够找到某个年龄组（比如 22-30 岁）具有订购某种颜色的BMWM5 的更高的倾向性（75%购买蓝色）。
In the Samunt Prakan harbor, about 15 kilometers away from Bangkok, the suburban houses along the river are already flooded certain months of the year.
在距离曼谷约15公里的萨没普拉堪港，沿河的乡舍每年都有好几个月会被水淹没。
Workers are guaranteed a minimum of four weeks' holidays a year whereas Americans' vacations are much less certain.
员工每年都能确保享受4周的假期，而美国则少很多。
Persons who wish to compete for these prizes, can send their subscriptions now, from this year to 2011, in order to make the thing certain.
如果有人想要争取这些奖励，为了保证万无一失，可以现在寄来他们的订阅，从现在到2011年都可以。
In a typical production year, there are various peaks in the level of effort for certain roles.
在典型的生产年中，在工作级别中，对于一些角色有许多不同的峰值。
The guidelines, announced last year, suggest aspirin for certain men 45 to 79 years old with elevated heart-disease risk because of factors like cholesterol levels and smoking.
这份去年出炉的指南建议，对某些45至79岁、心脏病风险因胆固醇水平或吸烟而升高的男性来说，应该服用阿司匹林。
We can't prepare for everything, but there are certain things that happen every year and we know will be harder than others.
事实上，我们并不能够应对所有的事情，但每年必然都会有比其他更难处理的事情发生。
Last year the site required the purchase of a Barbie MP3 player for access to certain content, an idea that has been abandoned.
去年该网站需要先购买芭比mp3播放器才能进入某些内容部分，这是一个已经被放弃的想法。
There were the first signs of trouble in paradise last year, however, with prime property in certain areas in Ireland and the US showing a fall in price.
不过，随着爱尔兰和美国某些地区的最优地产出现价格下跌，去年出现了“天堂里的烦恼”的最初信号。
Home Depot had to slash prices on certain products last year to retain customers.
家得宝在去年不得不在某些产品上大幅降价以留住住消费者。
My trading account was still up substantially for the year but I was certain it wouldn't matter.
我今年的交易情况还是给公司赚了不少钱，但我想这一定无济于事。
The chancellor’s message is likely to be grim: a downgrade to official growth forecasts for next year and beyond seems certain.
财政大臣要传达的应该不是什么好消息：在明年及更长时间内减缓官员人数增长速度看来是一定的了。
Last year, they published findings suggesting certain drugs might be able to affect the way in which traumatic events are remembered if administered shortly afterward.
去年，他们发表了研究结果：如果于灾祸发生后不久通过某些药物加以控制，可以影响记忆的形成。
Last year, they published findings suggesting certain drugs might be able to affect the way in which traumatic events are remembered if administered shortly afterward.
去年，他们发表了研究结果：如果于灾祸发生后不久通过某些药物加以控制，可以影响记忆的形成。
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