Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields.

袁博士要在不增加土地面积的基础上寻求达到增收稻谷的途径。

We are having more high-level dialogues and deeper mutual trust at the political level, we are expanding areas for cooperation.

两国高层的交流越来越多，政治互信越来越深，合作领域越来越宽。

A recent study from the University of East Anglia and the London School of Economics finds that climate change is also expanding the area in England and Wales suitable for making wine.

东安格利亚大学和伦敦经济学院最近的一项研究发现，气候变化也在扩大英格兰和威尔士适合酿酒的地区。