Quelle like: Quelle → →
die Quelle ☊ 
nguồn ☊ 
☊ Quelle ☊ 泉源 ☊ quányuán Aus welcher Quelle stammen diese Informationen? ☊ Những thông tin trên lấy từ nguồn nào? ☊ (Lektion 99, Nr. 1627) immigrant workers, used as a source of cheap labour (= workers who are paid very little, especially unfairly) ☊ cheap ☊
Fruit is a convenient source of vitamins and energy. ☊ convenient ☊
disagreement (between A and B): It was a source of disagreement between the two states. ☊ disagreement ☊
The £500 million programme is centred around energy efficiency and renewable power sources. ☊ energy ☊
Their grandchildren are a constant source of happiness. ☊ happiness ☊
Tourism is a major source of income for the area. ☊ income ☊
a source of information ☊ information ☊
intelligence sources (= people who give this information) ☊ intelligence ☊
a potential source of conflict ☊ potential ☊
Success in sport is a source of national pride. ☊ pride ☊
His novels are a rich source of material for the movie industry. ☊ rich ☊
Your local library will be a useful source of information. ☊ source ☊
What is their main source of income? ☊ source ☊
The tiny window was the only source of light. ☊ source ☊
He refused to name his sources. ☊ source ☊
Government sources indicated yesterday that cuts may have to be made. ☊ source ☊
Historians use a wide range of primary and secondary sources for their research. ☊ source ☊
a source of violence ☊ source ☊
a source of confusion ☊ source ☊
a mountain spring ☊ spring ☊
Spinach is a valuable source of iron. ☊ valuable ☊