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- 注册时间
- 2011-7-11
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- 2014-7-21
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8#
发表于 2011-7-20 06:44
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I am in the camp that believes L1 is made to be easy to get people in the program, because the jump in difficulty from 1 to 2 is craaazzy.
So, you pass L1, and will definitely attempt L2 at least once, and likely twice.
The serious people move on, and the rest provide money fodder.
Not a bad business model.. |
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