1. as much as 修饰不可数概念，如热量、能量、价格等总量；
2. as many as修饰可数的数目概念。
Example: It cost me as much as 100 dollars. 它花了我整整100美元。
Example: I am thirsty so I need to drink as much as I can. 我太渴了，因此我要尽量多喝水。
Example: It cost me as many as 6 days to finish it. 我花了六天才完成它。
Example: These are cakes I made this afternoon, and you could eat as many as you want. 这些是我下午做好的蛋糕，你想吃多少就吃多少。
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