Wealthy countries are dependent on poorer countries to provide accurate weather information.

VOA: standard.2009.08.31

And basically other interesting activities we did, weather studies, and time zone studies, which is part of the geography, and lots and lots of information.

还有其他一些有意思的活动，气候研究和时区研究，这是地理课上学的，还有很多很多其他信息。

麻省理工公开课 - 媒体、教育、市场课程节选

Farmers, for example, can easily find weather, crop and price information online.

VOA: special.2009.02.16