海鲜的未来取决于我们今天如何养殖。

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

试管婴儿的研究是出于帮助不孕夫妇的愿望。

Start with what is right rather than what is acceptable.