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文字稿:
To some, they may not seem very appetising.
But these bugs could be part of the solution in the fight against world hunger.
That's according to the United Nations, which says two billion people already supplement their diets with edible insects.
The UN says industrial-scale insect farming could ensure future global food security.
Vocabulary 詞匯:
appetising 美味可口的
bugs 昆蟲
supplement 增補，補充
edible 可食用的
industrial-scale 大規模的
