世界上有些地区煤炭和矿产供应充足，土壤肥沃，气候宜人；而其他地区则不具备这些条件。
Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a favourable climate; other regions possess none of them.
就象人们迁居到气候宜人的地方以改善他们的居住条件，或候鸟飞到南方过冬一样。
It's like people moving to better climates to make their living conditions more pleasant, or birds flying south for the winter.
优雅的自然风光、宜人的气候条件。
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