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。
We're interested in the source of these fictitious rumours.
我们对这些子虚乌有的谣言的来源感兴趣。
Peas, beans and lentils are a good source of vegetable protein.
豌豆、豆荚和扁豆是植物蛋白质的大好来源。
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。
Some kinds of batteries can be recharged by connecting them to a source of direct current.
有些型号的电池在接入直流电源时就能充电。
These factories have displaced tourism as the country's largest source of foreign exchange.
这些工厂已经取代了旅游业而成为该国最大的外汇来源。
Scientific research is widely claimed to be the source of the high standard of living in the U.S.
在美国，科学研究被广泛宣称为高生活水平的来源。
The kernel of that message was that peace must not be a source of advantage or disadvantage for anyone.
那一信息的核心是和平绝不应该成为对任何人有利或不利的根源。
If you tend to overeat because of depression, first take steps to recognize the source of your sadness.
如果你因为沮丧而打算暴食的话，首先要设法弄清你悲伤的来源。
He wanted to have a source of income after his retirement; until then, he wouldn't require additional money.
他想在退休后有个收入来源，而这之前则不需要额外的钱。
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。
Our use of fossil fuels is the main source of excess greenhouse gases.
我们对化石燃料的使用是温室气体过量的主要来源。
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。
This spongy tissue serves as a source of calcium for eggshell formation.
这种海绵状组织是形成蛋壳的钙质来源。
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。
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