这些政策是否已经取得成功？
音乐产业用了10年时间想清楚这一点，但是现在已经取得成功。
The music industry has taken a decade to work this out, but it has now done so.
尽管打印器官这一技术还处于初级阶段，但是在支架中培育细胞生长已经取得成功。
Though printing organs is new, growing them from scratch on scaffolds has already been done successfully.
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