早在这个丑闻浮出水面以前，新法就开始长久的公开辩论了。

The new law had been publicly debated long before the scandal surfaced.

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“研究人员以前看到的复制数量变化只是冰山一角，而其绝大部分都还未浮出水面，未被发现，”赫尔斯博士说。

"The copy number variation that researchers had seen before was simply the tip of the iceberg, while the bulk lay submerged, undetected," said Dr Hurles.

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大约在3年以前，该问题刚刚开始浮出水面时，我曾经就该问题写过一篇文章。

I've written about this issue in the past, roughly three years ago when it first surfaced as an issue.

youdao

大约在3年以前，该问题刚刚开始浮出水面时，我曾经就该问题写过一篇文章。

I've written about this issue in the past, roughly three years ago when it first surfaced as an issue.

youdao