悲观、A型血还有其它自惭形秽的想法都会造成精神和情感上的紧张，多读些这方面的书吧，学习下怎么改变自己看待事情的方式。这样当你感受到压力的时候，随手可用。
Read more about mental and emotional stress that can be caused by pessimism, type a traits, and other self-sabotaging thought patterns, and learn how you can change the way you look at things.
契形理论——让我们姑且这么称呼吧，则一方面可以让我们能够继续使用矿物燃料，另一方面也保证燃烧产生的二氧化碳不再污染空气。
Wedge theory, if it may be so described, balances that with thinking about ways to continue using fossil fuels while keeping the carbon dioxide that generates out of the atmosphere.
而另一方面，首先出现喙形结构和最早尾综骨(用于支持羽毛的融合尾椎骨)的孔子鸟与现代鸟类之间几乎不存在什么不一样的地方。
On the other hand, Confuciusornis, which possessed the first beak and earliest pygostyle, or fused tail vertebrae that supported feathers, truly looks like a bird.
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