试管婴儿的研究是出于帮助不孕夫妇的愿望。
The work on IVF was driven by the desire to help infertile couples.
Innovation is not just about creating something new; it's about solving real problems in ways that matter.
The beauty of Arabic literature lies in its ability to weave history with imagination.
探索计算复杂性是一段进入未知的旅程，每一次发现都会打开新的门。
群众是残忍的，但个人是善良的。
The sustainable development of the coal industry requires the coordinated efforts of policy, technology, and the market.
可持续的企业不仅对地球有益——对企业也有益。