Timer: Tell yourself you will work on a project or task, and only that project or task, for a set amount of time.
计时器：告诉你自己，你将在一定的时间里只专注在你的一件事情上。
You are specifying that a particular "principal" (in this case, a particular AWS user) can access the particular queue, and only that principal can access the queue.
您正在指定某个特定的“Principal ”(在本例中为AWS用户)可以访问特定的队列，并且仅有指定的主体能够访问该队列。
A financial planning system is a good example, where every account is owned by exactly one financial advisor, and only that advisor can see the accounts that he or she owns.
一个典型的例子是财务计划系统，每个财务顾问准确地拥有相应的帐户，并且某个顾问只能看到其所拥有的帐户。
She had a warm woollen hat on that left only her eyes and nose showing.
她戴了一顶保暖呢帽，只露出眼睛和鼻子。
I met him only the once, and that was enough.
我只见过他一次，那就够了。
And that only made me grow up quickly.
而这只会促使我迅速成长。
To feed the seven billion people on Earth, most farmers today are growing only species of plants and farming only species of animals that are easy to produce in large numbers.
为了养活地球上70亿人，今天的大多数农民只种植或养殖易于大量生产的植物和动物。
When I go on a diet, I eat only fruit, and that takes off weight quickly.
当我节食的时候，我只吃水果，这样可以快速减重。
After all, only Oak City residents pay city taxes, and therefore only residents understand how that money could best be used to improve the city.
毕竟，只有橡树城的居民才需要缴纳城市税，因此也只有居民才知道如何最好地利用这些钱来改善这座城市。
A survey of entrepreneurs who started companies last year shows that while virtually all did substantial preparatory research and planning, only half used that work to produce a formal business plan.
一项对去年创办公司的企业家的调查显示，尽管几乎所有人都做了大量的准备研究和计划，但只有一半人利用这些工作制定了正式的商业计划。
Truth and accuracy are not the only things that matter to the human mind.
对人类的大脑来说，真相和准确性并不是唯一重要的东西。
From his audience and analysis, he learned that only 2 or 3 of his classmates knew much of anything about geology.
从他的听众和分析报告中，他了解到，只有2到3个同学对地质学涉猎较深。
It's not your parents, your past relationships or your job, but you and only you that are responsible for every goal you set.
不是你的父母，不是你的过去的恋情，也不是你的工作，而是你自己，只有你自己对你设定的每一个目标负责。
Many parts of the old machines are reused, and only the parts that can't be used are thrown away.
旧机器的许多零件都被重复使用，只有不能使用的零件被扔掉。
Equal pay laws are ineffectual when women and men are concentrated in different occupations because such laws require only that women and men doing the same jobs be paid the same.
当女性和男性集中在不同的职业时，同工同酬法就不起作用了，因为这样的法律只要求做同样工作的女性和男性得到同样的报酬。
Foods that contain only medium levels of sodium are bread, cakes, milk, butter, and margarine.
含钠量仅为中等水平的食物有面包、蛋糕、牛奶、黄油和人造黄油。
In a world that had suddenly become alien and dangerous, he was her only security.
在一个突然变得陌生而危险的世界里，他是她唯一的守护神。
Children universally prefer to live in peace and security, even if that means living with only one parent.
孩子们普遍愿意过平静安宁的生活，即使那意味着只能和单亲生活在一起。
The only problem here is that they don't serve beer - only wine and spirits.
这儿惟一的问题是他们不供应啤酒——只供应葡萄酒和烈酒。
We're only going for half an hour, and you're not going to buy anything. Is that clear?
我们只去半个小时，你不许买任何东西。明白了吗？
All too often it is only the negative images of Ireland that are portrayed, colouring opinions and hiding the true nature of the country.
通常只有爱尔兰的负面形象被加以描绘，从而影响了人们的看法并掩盖了这个国家的实质。
And the only remedy for that is practice.
并且对那件事来说，唯一的补救办法就是实践。
Keeping things short and sweet not only shows people that you are concise and don't waffle, but that you also know what you want.
亲切简洁的语言不仅彰显了你简明的个性，不会被误认为是在胡扯，还让对方知道你是一个知道自己想要什么的人。
It's only with tips and free meals that I manage to get by.
我只能靠小费和免费餐食勉强度日。
Copper's excellent conduction of electricity and heat means that it is used not only to cable and pipe the globe.
铜卓越的导电能力和导热能力意味着它不仅用于制造全球的电缆和管道。
The zombies' only advantage are numbers, and that only makes your Flamesgiving Day bonfire that much brighter!
僵尸唯一的优势是数量，那只会让你的火焰日篝火更明亮！
It was a goodnight kiss and the only kiss he gave me that night.
那是一个晚安吻，也是那天晚上他给我的唯一的一个吻。
The "Black" group, on the other hand, put his salary at about $29,000, and guessed that he had only "some" college experience.
另一方面，“黑人”群体认为他的薪水大约是29000美元，并且猜测他只有“少许”大学经历。
Now the company is suddenly claiming that the 2002 agreement is invalid because of the 2006 legislation, and that only the federal government has regulatory power over nuclear issues.
现在该公司突然声称，由于2006年的立法，所以2002年的协议是无效的，而且只有联邦政府在核问题上拥有监管权力。
I started exercising regularly two years ago and went from 253 pounds to a healthy 160 pounds and that is the only thing I did not give up halfway.
两年前，我开始定期锻炼，体重从253磅降至健康的160磅，这是我唯一没有半途而废的事情。
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