Tourism is a major source of income for the area.

旅游业是这个地区的主要收入来源。

《牛津词典》

It is the first time to research into the identification problem of major hazard source concerning widespread mined-out area instability systematacially.

首次对大面积采空区失稳的重大危险源辨识问题进行了系统研究。

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Soybean, as the major crop in northeastern China, is the main source of peasants' income. According to an investigation made in producing area, price change has a great impact on peasants' revenue.

大豆作为我国东北产区主要农作物，是农民收入的重要来源，根据对产区的调查，大豆纯收入一般占农户纯收入的五分之之，大豆价格的变化对农民的收入影响极大。

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Veolia Environmental Services was the other firm fighting to run the incinerator, and whose spokesperson said it believed it was "sympathetic with the local environment and represented a unique opportunity to use the residual waste to provide a secure source of sustainable energy and heat to the neighbouring Tata Steel steelworks - a major source of employment in the area".

BBC: Artist's impression of a Viridor plant in Cardiff

With over 42, 000 graduates, two-thirds of whom live and work in the Philadelphia metropolitan area, Fox is a major source of management talent in the region and has close relations with business.

ECONOMIST: Which MBA? school profiles: Temple University��Fox School of Business | The