聽力每日練習 listen 2785 Guaranteed?supply

1-- Quality is very important to us. We work to very low tolerance levels. We need to have guaranteed supplies of consistently high quality raw materials. Over the years we've built up very good relationships with our suppliers.
 
2-- Do you have many different suppliers?
 
1-- Yes. There are about fifty names on our approved supplier list, but for raw materials we tend to deal with three local companies.
 
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注解：
 
1.tolerance容忍
2.consistently一貫地
3.supplier供應商
 
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譯文：
 
1--質量對我們非常重要。我們工作要求的精度非常高。我們需要確保供應的原料一致保持高質量。這些年來，我們與我們的供貨商建立了良好的關系。
2--你們有許多不同供貨商嗎？
1--是。大約有五十家在我們指定的供應單位名單中，但是對于原料，我們通常向三家當地公司采購。