7.Attraction and repulsion,reason and energy,love and hate, are necessary to human existence.
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For this reason prices for energy and for minerals have fallen in real terms during the century.
因此,本世纪能源和矿物的实际价格已经下降了。
If you have no specialized skills, there's little reason to uproot to another state and be the last in line for a low-paying job at a new auto plant or a green-energy startup.
如果你没有专业技能,你就没有什么理由背井离乡去到另一个州,在一家新的汽车厂或者新的绿色能源公司中干低级的活,拿微薄的薪水。
Even on the days when it seems your children or husband are doing everything wrong, find a reason tothank them. Take the time and energy to look for the good.
即便有一天你的孩子和丈夫把所有的事情都搞错了,你也要找个理由感谢他们,花些时间和精力,寻找好的地方。
Still,there is reason to celebrate the variety and energy of music created in the United States today.
VOA: special.2010.07.19
I don't care how you do it on exams or on problem sets, but you do need to be aware that the 3 d once filled is lower in energy than the 4 s, and the reason you need to be aware of that is if you're asked for the electron configuration now of the titanium ion.
我不关心你们在考试或者,问题集中如何做它,但是你们的确需要知道3d一旦被填充,它的能量是小于4s的,你们需要知道这个的原因,是如果你现在被要求,写出钛离子的电子构型。
And the reason is simply because the energy that Z we gain in terms of moving up in z, 5 so from going to z equals 4 to z equals 5, -- is actually outweighed by the energy it takes to go into this new shell, to go into this new sub shell.
原因很简单,就是因为我们通过提升,所得到的能量--从,Z,等于,4,到,Z,等于,事实上比填充到这个新的壳层,新的亚壳层,所消耗的能量更多。
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