To biomedical researchers all over the world, twins offer a precious opportunity to untangle the influence of genes and the environment—of nature and nurture.

对世界各地的生物医学研究人员来说，双胞胎提供了一个宝贵的机会，来解开基因和环境——也就是先天和后天的影响之谜。

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Moreover, a computer in the "family love room" plays an indispensable role because it offers a precious opportunity for Liao to help children whose parents are working far away to chat with them online.

此外，“家庭爱心房”里的电脑扮演着不可或缺的角色，因为它为廖提供了一个宝贵的机会，可以帮助那些父母远在外地工作的孩子上网聊天。

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Ben: This is a precious opportunity for us and our company.

本：这个机会对我和我们的公司来说都是相当的珍贵。

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The Lycian Way offers a precious opportunity to genuinely encounter the landscape and people of this region.

BBC: Search the

And every moment that goes by without some kind of joy is a precious opportunity lost.

FORBES: How do you define success and happiness?

Investors that sold during the crisis and stayed out have missed a precious opportunity to recover their losses and earn respectable profits in the stock market.

FORBES: A Balanced Portfolio for a Balanced Life