On the one hand, if the body doesn't have enough cholesterol, we would not be able to survive. On the other hand, if the body has too much cholesterol, the excess begins to line the arteries.
一方面，如果身体没有足够的胆固醇，我们将无法生存；另一方面，如果体内胆固醇过多，多余的胆固醇就开始让动脉变厚。
It has to be done by hand, not typing on a keyboard.
必须是手工操作，而不是在键盘上打字。
But it has to be done by hand, not typing on a keyboard.
但必须是手工操作，而不是在键盘上打字。
On the other hand, this is not to say money and effort shouldn‘t be spent on humans.
另一方面，这并不是说金钱和努力不应该花在人类身上。
On the one hand, a house will be too big for just one person, so maybe I should rent an apartment.
一方面，一个人住一个房子会太大了，所以我或许应该租一间公寓来住。
On the other hand, descriptions of characters and settings can be developed more completely.
另一方面，人物和场景的描述可以变得更完整。
There is no human supervision, but an attendant will be on hand to accept cash and explain the system to newly users.
这里没有人工监督，但会有一名服务员在现场接受现金，并向新用户介绍系统。
Interruptions, on the order hand, can be unwelcome and you may get them for a variety of reasons.
订单方不喜被打断和干扰，但却可能会因为各种各样的原因受到干扰。
Synthetic herbicides, on the other hand, although not any longer lasting, can be reapplied as the crop grows.
另一方面，人造除草剂虽然不再持久，但可以在作物生长时重新使用。
If he tells us it is safe, on the other hand, we distrust him, because he may well be protecting the employer who pays his salary.
另一方面，如果他告诉我们这是安全的，我们就不信任他，因为他很可能是在保护支付他薪水的雇主。
The mastery oriented children, on the other hand, think intelligence is not fixed and can be developed through education and hard work.
另一方面，掌握型儿童认为智力不是固定的，可以通过教育和努力来发展。
He can certainly count on us to be in the room with a paddle in hand.
他当然可以指望我们在房间里手里拿着球拍。
Barbara, on the other hand, has missed the excitement of her profession and does not feel she would be satisfied doing volunteer work.
另一方面，芭芭拉已经感受不到职业带来的兴奋，做志愿者工作也满足不了她。
I looked them over with a burglar's eye, deciding what might be worth the risk of stealing, what on the other hand I would leave behind.
我用小偷的眼光扫了它们一眼，决定了哪些东西值得冒险去偷，哪些东西应该留下。
The mastery-oriented children, on the other hand, think intelligence is not fixed and can be developed through education and hard work.
另一方面，掌控型的孩子认为智力水平并不是固定不变的，人们可以通过接受教育和努力来提高自己的智力。
None of this is likely to be on hand if you cannot even afford to mend the dismally few highways you have.
如果你甚至不能承担惨淡的几条高速公路的维修，那么这些都不太可能发生。
What belongs to nature cannot be the result of human activities and on the other hand, cultural development is achieved against nature.
属于自然的东西不可能是人类活动的结果，另一方面，文化的发展却是在违背自然的情况下实现的。
On the other hand, in poor countries rubbish might be the only material folk artists and toy makers can afford.
另一方面，在贫穷国家，垃圾可能是民间艺术家和玩具制造者唯一能负担得起的材料。
On the one hand, there are tiny microbes and they can only be seen through a microscope.
一方面，有微小的微生物，只有在显微镜下才能看到它们。
On one hand you want 1.0 to be perfect and done, but on the other hand you realize no software is every finished nor perfect, and you use other criteria to make the decision.
一方面你希望1.0是一个尽善尽美的版本，但是你又意识到没有任何软件可以尽善尽美，于是你又不得不使用其他的标准来帮助你做出决定。
He told me I suffer from a "conflict" because on the one hand I "claimed" to be submissive, yet on the other hand I was "judgmental" of his "testosterone-based behavior."
他说我内心在作着斗争，因为一方面我宣称是一个顺从的人，但另一面又对他的“以雄性激素为基础的行为”持批判态度。
Stock on hand will be cleared regardless of cost.
在十月一日，星期一，我们将组织一次清仓销售，现有库存不论成本都将清售。
But without some discipline I could easily be doing that by hand on hundreds of machines.
如果没有某些准则，我很可能要在成百上千台机器上手工去做这些工作。
On the other hand, it might be nice for it to give up early on when getting invalid data.
另一方面，当它在获得无效数据的早期就选择放弃可能是理想的。
Instead of needing experts to be on hand every time a best-practice decision must be made, their expertise is captured in automated patterns and transformations so you can reapply it.
与其每次需要专家在现场做出最佳实践的决策，到不如在自动的模式和转换中获取他们的专家经验，这样您可以再次运用这些经验。
Lack of knowledge, on the other hand, can be deadly.
另一方面，缺乏知识可能是致命的。
Exploratory testing, on the other hand, can be more AD hoc.
从另一方面来说，探索性测试可能更加特殊。
These developers will be on hand to demo their apps, talk about how they built them, answer questions, and exchange ideas.
这些开发者将亲手向观众演示他们的应用，讲解他们构建应用的过程，并回答观众的提问，和观众交流意见。
These developers will be on hand to demo their apps, talk about how they built them, answer questions, and exchange ideas.
这些开发者将亲手向观众演示他们的应用，讲解他们构建应用的过程，并回答观众的提问，和观众交流意见。
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