Unfortunately, its simplicity is also its weakness since it is frequently too simple to represent realistic problems.
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要说男人不宜

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omg:girlshy:

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omg:girlshy:

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P了俺半天~~
Unfortunately, its simplicity is also its weakness since it is frequently too simple to represent realistic problems.

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还是omg...

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omg.是本人啊

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肩带太宽了~

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