These organizations also aid the public welfare by working to improve peoples' health or economic condition.

VOA: special.2009.11.02

It's all about market forces and the health and the condition of your product.

所有这一切都取决于市场的需求,以及你的产品的状况和健康情况

耶鲁公开课 - 美国内战与重建课程节选

The health of bird species tells researchers a lot about the condition of the environment.

VOA: special.2009.05.12