在正常情况下，只有约百分之二十到百分之四十的维生素E被吸收。
Under normal conditions, only about 20 to 40 percent of vitamin E is absorbed.
当他们开始研究供应链时，他们发现实际上只有2%到3%的野牛是食草的。
When they started researching the supply chain, they learned that only 2-3% of all bison is actually grass-fed.
原来的几千件，现在已大大减少到只有一百件了。
The original number of several thousand pieces has greatly reduced to only a hundred works by today.
只有当莉莉走进办公室时，她才意识到自己把合同落在家里了。
Only when Lily walked into the office did she realize that she had left the contract at home.
青少年想先做一些事情，只有这样他才会意识到其中的问题，并想要了解更多。
The adolescent wants to do things first for only then does he appreciate the problems involved and want to learn more about them.
在消费者中，只有18%的人意识到生态时尚的存在，相比四年前的6%有所上升。
Among consumers, only 18% are aware that ecofashion exists, up from 6% four years ago.
在消费者中，只有18%的人意识到生态时尚的存在，这一数字相比四年前的6%有所上升。
Among consumers, only 18% are aware that eco-fashion exists, up from 6% four years ago.
当你花90美元买一双耐克运动鞋时，只有一小部分的钱流入中国，到劳动者手中的就更少了。
When you spend $90 for a pair of Nike sneakers, only a fraction of it flows to China and even less to workers there.
只有在食物被咀嚼并几乎消化到液态后，它才能通过瘤胃进入肠道。
Only when it has been chewed up and digested almost to a liquid can the food pass through the rumen and on through the gut.
难怪全世界只有13%的员工觉得自己有全身心投入到工作中。
No wonder only 13% of employees worldwide feel engaged in their occupation.
只有当一个人意识到这一点，才能够射中靶心。
Only when one has accepted that, is there any possibility of scoring a bull's eye.
只有在之后你去取款机取钱时，你才会意识到，你账户里的每一分钱都被清空了。
You'll only realize when you later go to a cash machine to withdraw some money, then discover that every penny in your account has been cleared out.
当研究人员仔细观察染色体中的DNA 时，他们很惊讶地发现，其中只有一小部分，大约是20%到30%，能转化成有意义的遗传信息。
When researchers look really carefully at the DNA in Chromosomes though, they were amazed to find that only a fraction of it, maybe 20-30%, converts into meaningful genetic information.
听说在我开始在这个项目学习的时候，每个导师只有1到2个学生，而下一年，一个班有17人。
I've been told that when I initially started the project, there were one or two students a guru, and the next year the incoming class has 17 students.
正如我们所认识到的，疟疾是一种极其复杂的疾病，只有将全面的多重干预措施结合在一起才能将其挫败。
As we have learned, malaria is an extremely complex disease that can be defeated only through a comprehensive mix of multiple interventions.
声音的音效通常难以捕捉，往往只有我们的潜意识才能感觉到。
The effects of sound are often largely subtle and often are noted by only our subconscious minds.
有时候，只有当困难被克服了，我们才会意识到它为我们做了什么。
Sometimes it's only when a difficulty is removed that we realise what it was doing for us.
虽然网店可以提供图片和声音，但只有实体店可以为顾客提供从踏入门店到离开那一刻的全面体验。
While e-shops can use sights and sounds, only bricks-and-mortar stores can offer a full experience from the minute customers step through the door to the moment they leave.
事实上，人们可以了解到只有在集会上能够看到的动物。
In fact, people can learn about the animals they would never see except at the fair.
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。
From his audience and analysis, he learned that only 2 or 3 of his classmates knew much of anything about geology.
你可以看到只有通过追溯一个特定的家族谱系，可能追溯到14世纪或更早，你才能发现哪个版本的姓氏是你的。
You can see that only by tracing a particular family line, possibly back to the 14th century or beyond, will you discover which version of a surname is yours.
到2005年，80%的美国家庭将拥有电脑，而现在这一数字只有大约50%。
80% of US homes will have computers in 2005, compared with roughly 50% now.
1926年，她的父母移民到美国时，她只有三岁。
She was three when her parents immigrated to America in 1926.
从相信每件事都有原因，到相信每一场灾难都是我们的错，似乎只有一步之遥。
It seems to be a short step from believing that every event has a cause to believing that every disaster is our fault.
而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。
If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.
许多人到尼斯湖去寻找这个怪物，但只有少数人看到过它。
Many people travel to Loch Ness to look for this strange monster, but only a few people have seen it.
只有百分之二的学生每周看一到三次电视。
Only two percent of the students watch TV one to three times a week.
在冰冷的地面上躺上几个小时后，只有一个薄薄的睡袋来保护你免受冰雨侵害，你的手指可能会麻木到几乎动不了。
After lying for hours on cold ground, with only a thin sleeping bag to protect you from rain or ice, your fingers would probably be so numb that you could hardly move them.
从7岁到17岁，诺曼的大部分时间都在农场度过，甚至是当他在新俄勒冈州霍华德县的一所只有一间教室和一名教师的学校上学的时候。
Norman spent most of his time from age 7-17 on the farm, even as he attended a one-room, one-teacher school at New Oregon in Howard County.
由于每个国家只有一个观测结果，因此不可能控制各国间未观察到的异质性。
With only one observation per country, it is impossible to control for unobserved heterogeneity across countries.
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