But there's many a slip 'twixt cup and lip, and no important graphene products are yet on the market.

但常言凡事都难十拿九稳，至今市场上也没有多少重要的石墨烯产品。

youdao

But there's many a slip 'twixt cup and lip, and no important graphene products are yet on the market.

但常言凡事都难十拿九稳，至今市场上也没有多少重要的石墨烯产品。

youdao