So, one of the things that you can do is to become technically literate so you can become part of the discussion and help formulate sensible policy.
其中你能做的一个就是,成为技术达人,这样的话你就能够参与讨论,并且帮助制定可靠的政策。
One reason for this is obvious; it's cheaper not to pay people, but the other reason is more interesting.
这样做的其中一个原因很明显;,不用付钱,当然就能省点了,但另一个原因更有意思。
If you go to Denmark and you break a $100 bill, you're going to be given one of these, undoubtedly, the 500 kroner note, which is worth about $75-80, and it has Niels Bohr on it.
如果你去了丹麦,换了100美元,毫无疑问,你会得到其中一个像这样的,500挪威币,约为75-80美元,上面有波尔的头像。
One of them could begin with a reflection like this.
其中一个问题可以从这样的思考开始:
so you can eliminate.
这样就可以消去其中一个
So if we still have an angle of a 109 . 5 degrees, and again, we still have four unpaired electrons available for bonding, we can make one of those bonds with another s p 3 hybridized carbon, so we're going to make up one pair here.
如果键角仍然是109。,同样,我们还有4个未配对的电子可以用来成键,我们可以用其中的一个,和另外一个sp3杂化碳原子成键,这样我们可以组成一对。
应用推荐