而在那段时间里，汤森说，发明者“可以向市场开最高价”。

And for that period, Toussant says, the inventor "can charge whatever the market will bear."

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开季的日本松茸是最高级的，每千克的价格能达到2000美元。

The Japanese Matsutake at the beginning of the season, which is the highest grade, can go up to $2000 per kilogram.

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弗雷德里加说，这些汽车以最高36英里每小时（60公里每小时）的速度行驶，每开两到三小时就需要充电八小时。

The vehicles ran at maximum speeds of 38 miles per hour (60 kilometers per hour) and had to be recharged for eight hours after every two to three hours of driving.

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