苯丙酮是一重要的有机合成中间体，已有多种方法合成，其中之一是付瑞德尔—克拉夫慈反应。
Propiophenone is a important intermediate in organic synthesis. It has been prepared in some methods. One of them is Friedel-Crafts reaction.
佛瑞德：第一点，那就是方便第二点则是它的成本比较低，你知道只需付网费就够了，网费很便宜。
Fred: Firstly, it is convenient. And secondly, it has low cost, because you know you only need to pay the fee of Internet service.
佛瑞德：第一点，那就是方便第二点则是它的成本比较低，你知道只需付网费就够了，网费很便宜。
Fred: : Firstly, it is convenient. And secondly, it has low cost, because you know you only need to pay the fee of Internet service.
盖伯瑞尔卖掉了他所有的农具，为的是付他买羊所欠的钱。
Gabriel sold all his farm tools to pay what he owed for the sheep.
柯瑞：我不是要挑你毛病，我只是告诉你你看起来很「娘」，现在告诉你总比让你以那付德行到学校来得好。
Cory : I'm not trying to be critical. I'm just pointing out that you look like a wimp . It's better I tell you now than that you go to school looking like that.
柯瑞：我不是要挑你毛病，我只是告诉你你看起来很「娘」，现在告诉你总比让你以那付德行到学校来得好。
Cory : I'm not trying to be critical. I'm just pointing out that you look like a wimp . It's better I tell you now than that you go to school looking like that.
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