但这也是它的优势：读者很容易去理解，如果他们愿意的话，也可以为自己的学校做计算题。
But that is also its strength: it's easy for readers to understand, and to do the arithmetic for their own schools if they'd like.
人们倾向于与同龄人交朋友，因为他们可以很容易地理解对方。
People tend to make friends with others in the same age as they could understand each other easily.
当公司花费数百万美元推出新产品和服务时，很容易理解为何他们可能会想利用一切可能的工具来取得成功。
When companies spend millions launching new goods and services, it's easy to understand why they might want to use every tool at their disposal to achieve success.
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