Passage 2On a conservative estimate the Uruguay round would perm

Passage 2
On a conservative estimate the Uruguay round would permanently raise global welfare by more than $100 billion a year, spur economic growth everywhere, and extend competition to hitherto sheltered, and therefore backward, parts of all economies. By any standards, it would be a hugely valuable achievement.
Such opportunities come too rarely to be squandered. 【Yet this one still may be】.
341.Please rewrite in full the last sentence “Yet this one still may be”.
【正确答案】：Yet this opportunity may still be squandered.