Now that we've taken a look at the high points of our application's code, let's see how to build it so you can experiment with it on your own.
既然我们已经研究了应用程序代码的要点,那就让我们了解一下如何构建它,以便您可以亲自进行实验。
When you look at an item of high-calorie food, its cost is low, so you're more likely to buy it.
在你看着高热量食物时,其效用是很低的,因此你更愿意去购买这些食物。
Today you look so very happy and high-spirited.
看你今天的样子春风满面、喜气洋洋。
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