此外，Amazon 拥有很好的声望和良好的按使用量收费（pay-only-for-what-you-use）的模型，EC2是云计算拼图中一个重要的、受欢迎的部分。
Add to this Amazon's reputation and a nice pay-only-for-what-you-use model, and EC2 is a popular and important piece of the cloud computing puzzle.
此外，Amazon 拥有很好的声望和良好的按使用量收费（pay-only-for-what-you-use）的模型，EC2是云计算拼图中一个重要的、受欢迎的部分。
Add to this Amazon's reputation and a nice pay-only-for-what-you-use model, and EC2 is a popular and important piece of the cloud computing puzzle.
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