Nevertheless, one still speaks of the ecosystem when referring to a local association of animals and plants, usually without paying much attention to the energy aspects.
尽管如此，人们在提到当地动植物协会时仍然会提到生态系统，通常不太注意能源方面。
2
The International EnergyAssociation reported last year that nearly one and a half billion people in the world had no electricity to use, and most of them live in sub---Saharan Africa and in India and other countries in Asia.