我们正在讨论为什么快餐对我们的健康有害。
我不知道任何显示电视本身或天然就对孩子有害的证据——这取决与他们观看什么节目、看多长时间。
I know of no evidence that TV is in and of itself harmful for children-it depends on what they watch and how much they watch.
如果肥胖对我们这么有害——毫无疑问它确实有害——那么为什么有那么多的人容易受到多余脂肪层层累积的影响呢？
If obesity is so bad for us — and there is no question itis — then why are so many people susceptible to layering on excess fat?
为什么这么说不健康？ 因为不论对于你自己还是你的朋友来说，提出“颤抖的肥肉”并把注意力集中到它身上，对你的自身形象和自尊都是相当有害的。
Why it’s unhealthy: Pointing out and focusing on the alleged jiggle, whether to friends or yourself, is harmful to your body image and self-esteem.
计量金融课程一定要始于对“为什么金融模型有用或者有害，如何使金融模型变得有用或者有害”的关注。
Quant finance programmes must start focusing on why and how financial modelling can be useless and dangerous.
事实上，对已经完成的故事调整估算，不仅没什么用处，更可能是有害的。
Indeed, adjusting the estimates of completed stories is more likely to be harmful than merely useless. Paul Oldfield writes.
内科大夫说，吸烟对我的健康有害。这只是蚊虫咬伤，没有什么可担心的。
The physician said smoking is harmful to my health. It's just a mosquito bite. There's nothing to worry about.
人人都知道抽烟对健康有害，但为什么这么多人仍不愿意戒烟昵？
Everyone knows that smoking is harmful to our health, but why don't so many people stop smoking?
我们本能地知道，贪婪对社会而言是有害的。我们也认为它的原意是一种恶性，一种无论以什么方式表现出来都应该受到责难的举动。
We instinctively know that greed is bad for society and see it in its original meaning as a vice, an action that should be condemned in all of its forms.
难道没有这样一种逻辑要求吗，如果有什么事物对你来说有坏处，你不是应该去接受那个有害的事物吗？
Isn't there a kind of logical requirement that for something to be bad for you? You've got to be around to receive that bad thing?
研究组说他们并不确切的了解为何用微生物制剂有害，但推测是不知什么原因能推动对氧的需求，恶化原本就减慢的血液流动。
The team said it did not know exactly why probiotics may be harmful but speculated the supplements may somehow boost demand for oxygen and worsen already reduced blood flow.
科学家在不断重新制定对环境什么是有利的，什么是有害的的标准。
Scientists are continually redefining the standards for what is beneficial or harmful to the environment.
我相信你知道吸烟对你的身体有害，那么你为什么还要吸烟呢？
I am sure that you know that smoking harms your body. Then why do you continue smoking?
然而，科学研究已经无数次证明人工合成的食品类物质对人类是有害的，这也是为什么我们现在都趋向食用有机食品，对化学物质和添加物避之唯恐不及。
However, science has proven that artificially composed food-stuff is extremely harmful to humans, which is why we are all going organic, barring chemicals and additives.
如果一个角色想做一些对你的英雄有害的事，那么你需要解释为什么这个角色会这么想，而让他的邪恶本质变得人性化。
If a character wants something that would be harmful to your hero, then you need to explain why that character should desire it so and humanize his evil nature.
对亚历山大和拿破仑的行为，不能简单地说有益或有害，因为我们说不出它为什么有益和为什么有害。
It is impossible to say of the careers of Alexander and of Napoleon that they were beneficial or harmful, seeing that we cannot say wherein the benefit or harm of humanity lies.
但他们很容易的了，为什么？我认为较多的肉类和鱼类，缺乏锻炼对健康有害。
But they get easy to be ill, Why? I think more meat and fish, less exercise are bad for health.
老头子说他早年想不通为什么盗窃是对社会有害的，因为那有助于资源重新分配，让财富从富裕的个体流动到贫穷的个体有什么不好。
In the early stages of my work on crime, I was puzzled by why theft is socially harmful since it appears merely to redistribute resources, usually from wealthier to poorer individuals.
老头子说他早年想不通为什么盗窃是对社会有害的，因为那有助于资源重新分配，让财富从富裕的个体流动到贫穷的个体有什么不好。
In the early stages of my work on crime, I was puzzled by why theft is socially harmful since it appears merely to redistribute resources, usually from wealthier to poorer individuals.
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