Pointing out that only 4,000 chopsticks can be carved from a 20-year-old tree, he even went so far as to suggest that restaurants offered metal knives and forks instead.

他指出，一颗20年树龄的树木只能生产出4000双筷子。 他甚至还建议，餐馆应该直接使用金属制的刀叉代替筷子。

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Even those young people who hated maths in school find themselves wanting to know the formulae underlying what they are doing, he says, pointing to the lathe on which the apprentices learn how to cut metal.

ECONOMIST: Britain tries again to remedy low skills in the workforce