本在此时想出了一种有趣的营养学理论，他尝试只吃法国面包和奶油，其他什么也不吃。
Ben also developed an interesting theory on nutrition at about this time, and he tried to live on a diet of nothing but French bread and butter.
本在此时想出了一种有趣的营养学理论，他尝试只吃法国面包和奶油，其他什么也不吃。
Ben also developed an interesting theory on nutrition at about this time, and he tried to live on a diet of nothing but French bread and butter.
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