She says any discussion about improving the environment must include a discussion about changing the animal food production industry and changing people's diets.

VOA: special.2009.11.06

The main function of all your cells, and all your tissues, and all your organs is to maintain this homeostasis, which allows you to live in a changing environment.

你所有细胞,所有的组织,所有的器官最主要的功能,就是维护这个内稳态,使你能够以不变应万变

耶鲁公开课 - 生物医学工程探索课程节选

Certainly the international regulatory environment is changing more governments now are cracking down much harder on foreign bribery,".

VOA: standard.2009.10.01