天和地world

• 天地之大，无奇不有。

  The world is boundless and has all kinds of strange things.

活动范围field of activity

• 科学研究的新天地

  new field of scientific research

• 奔向农村广阔的天地

  head toward the vast world of the countryside

• 农村是广阔的天地。

  The countryside is a vast field of activity.

地步，境地<方>plight