However, the nature of this very diversity makes travel and tourism ideal vehicles for economic development in a wide variety of countries, regions or communities.
然而,正是这种多样性的性质使旅游业成为许多国家、区域或社区经济发展的理想工具。
There are also a number of old genera in the tropics, indicating that tropical extinction rates are lower than in temperate regions. So the tropics are also a museum of diversity.
无疑热带地区真的是生物进化的温床,还有,在热带地区存留着一定数量的老物种,这就说明了热带地区物种的死亡率比温带地区要低,所以热带地区还是存有多样物种的大型博物馆。
These differences are the results of the diversity of parent materials from various soil types and the climates influences of different regions.
这种差异主要来自对不同类型土壤母质成份的的继承和受到不同的地带性气候影响所致。
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