What is their main source of income?
他们的主要收入来源是什么？
Success in sport is a source of national pride.
体育成就是民族光荣的源泉。
Plants are the ultimate source of all foodstuffs.
植物是所有食物的最终来源。
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。
Fruit is a convenient source of vitamins and energy.
水果是维生素和能量的便利来源。
This gave me a clue as to the source of the problem.
这给了我一个关于问题根源的线索。
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。
Dreams can be a rich source of inspiration for an artist.
梦境可以成为艺术家灵感的丰富源泉。
Your local library will be a useful source of information.
你们当地的图书馆就是很好的资料来源。
It would be useful if you could nail down the source of this tension.
如果你能弄清这种紧张情绪的根源，会是有用的。
The source of the problem resides in the fact that the currency is too strong.
问题的根源在于货币过于坚挺。
The main source of income, tourism, is expected to dry up completely this summer.
作为主要收入来源的旅游业预计将在今年夏天彻底枯竭。
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。
This becomes the source of truth for your application.
这成为您应用程序的事实来源。
The olive tree has always been a valuable source of food and oil.
橄榄树一直是宝贵的食物和石油来源。
Wheat is corn's counterpart as the starch source of choice in the EU.
在欧盟，小麦是玉米的替代品，是淀粉来源的选择。
I had several children and books were our main source of entertainment.
我有几个孩子，书是我们的主要娱乐来源。
The source of the gas? Her new kitchen cabinets and wall-to-wall carpeting.
气体的来源？是她的新厨柜和铺满整个地板的地毯。
Perhaps you could start your resolution by finding the source of the problem.
也许你可以通过寻找问题的起源来开始解决问题。
The only source of these compounds in the dolphins' environment is boat paint.
在海豚生活的环境中，这些化合物的唯一来源是船上的油漆。
This left the shoguns only commerce as a potential source of government income.
这使得幕府将军们只把商业作为政府收入的潜在来源。
He's totally unreliable as a source of information.
他提供的消息完全不可信。
Her daughter was a continual source of delight to her.
她的女儿是她无限快乐的源泉。
It was a source of disagreement between the two states.
这就是两国纷争的一个原因。
His novels are a rich source of material for the movie industry.
他的小说为电影业提供了大量素材。
The threat of losing their jobs is a constant source of worry to them.
丢掉工作的威胁时常使他们忧心忡忡。
Throughout the house, the views are a constant source of surprise and delight.
整个房子，目之所及不停带来惊奇和欣喜。
His case has become a source of contention between civil liberties activists and the government.
他的案子已变成了公民自由活动家们和政府之间的争论缘由。
Wind power is a very clean source of energy.
风能是一种非常清洁的能源。
Wind power is a very popular source of energy.
风力是一种非常受欢迎的能源。
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