There has to be policies about that, about what materials we use and so on.
必须有相关的政策，关于我们使用什么材料等等。
-- Richard Rogers 理查德罗杰斯
There has to be policies about that, about what materials we use and so on.
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There has to be policies about that, about what materials we use and so on.
必须有相关的政策，关于我们使用什么材料等等。
-- Richard Rogers 理查德罗杰斯
