분야
hwp① Vanilla was once / one of the rarest and most expensive spices.
② This was because / vanilla fruit only grew in and around Mexico.
③ Many people brought vanilla plants / to their own countries, / but no insects pollinated them.
④ Scientists tried to find a solution / to this problem, / but they all failed.
⑤ Finally, in 1841, / a 12-year-old boy / named Edmond Albius / invented a method / for pollinating vanilla plants.
⑥ The boy was a slave / on a farm / on an island / near Africa.
⑦ The farmer owned / some vanilla plants.
⑧ However, they never grew any fruit.
⑨ One day, / the farmer noticed a fruit / on one of the plants.
