Why Sailingships Cost So Much 帆船为何如此“烧钱
Why does beef from a local farm cost so much more?
为什么本地牛肉这么贵?
"No wonder stamps cost so much," grumbles a blogger.
一位博主见此嘟哝:“难怪邮票这么贵。”
Right now, solar panels cost so much that only well-heeled, well-meaning westerners can afford to install them.
目前,由于太阳能面板成本过高,只有既富裕又好心的西方人安装得起。
.. In 1799, it would cost so much to mail a letter-- I don't know exactly, something like $10 or $20 to mail a letter at today's rate-- and it would take a long time get there.
在1799年,寄封信需要花费-,我也不清楚具体的数字,大概相当于现在的10到20块钱-,而且还要花很久才能送达。
So we'll figure out how much does it cost,
我们会对产品评估它的广告成本,
But it doesn't actually cost as much energy as you might think, because in this s orbital here we have a paired electron situation where we're moving up to a p orbital where the electron is no longer paired, so it won't feel quite as much electron repulsion, but nonetheless, this is going to cost us energy.
但它消耗的并没有,你们想象的那么多,因为s轨道里我们电子是配对的,当我们把,电子移到p轨道,电子不再配对,所以它不会感受到那么多的电子排斥,但尽管如此,这个过程还是要消耗能量的。
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