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。
Fish was a major source of protein for the working man.
鱼曾是劳动者获取蛋白质的主要来源。
The professionalization of politics is a major source of our ills.
政治职业化是导致我们这些弊端的一个主要原因。
The sun is the major source of energy for our planet.
太阳是我们星球能量的主要来源。
阳光是一个主要成因之一。
Is a major source of white pollution!
是白色污染的主要来源之一！
Fish is the major source of Omega-3 fatty acids.
鱼类是Omega - 3脂肪酸的主要来源。
Milk is the major source of calcium for babies.
牛奶是婴儿获取钙质的主要来源。
Livestock are also a major source of greenhouse gases.
家畜还是主要的温室气体排放源。
Use the best tomato juice—the major source of flavor.
要使用最好的番茄汁因为它是最主要的味道来源。 但是请随便使用廉价的伏特加，在这么复杂的混合物中它的味道会失去。
It is also a major source of land and water degradation.
它还是土地和水资源退化的一大根源。
Replaces the church as a major source of information.
代替了教堂成为主要的信息来源。
Use the best tomato juice—the major source of flavor.
再次，使用最好的番茄汁，以保持其主要风味。
Tourism mused to be a major source of foreign exchange.
旅游业向来是外汇收入的重要来源。
C replaces the church as a major source of information.
代替了教堂成为主要的信息来源。
Slow starts in the morning are a major source of wasted time.
清晨慢节奏的开始是时间浪费的主要来源。
An overcrowded workplace can be a major source of stress.
拥挤的工作空间可能是压力的主要来源。
School teachers used to be the major source of information.
考题解释：学校的老师曾经是信息的主要来源。
Rice production is another major source of greenhouse gas emissions.
稻米生产是温室气体排放的另一个主要来源。
Noise from transportation is one major source of noise pollution.
交通噪音是噪音污染的主要来源。
Because low quality goods from suppliers is a major source of waste.
因为购买低质量的产品是最大的浪费源。
Fish was a major source of the protein for the physical working man.
对于体力工作者，鱼是主要的蛋白质来源。
Tourism has become a major source of growth in the South Korean economy.
旅游业已经成为韩国经济增长的主要来源。
Tourism has become a major source of growth in the South Korean economy.
旅游业已经成为韩国经济增长的主要来源。
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