Okay, the user wants me to translate "service-provider" into Vietnamese. Let me check the rules again. The first rule says to translate all content into Vietnamese. The second rule mentions if the content is already in Vietnamese, leave it as is. The third rule is to provide only the translation without explanations.
So, "service-provider" is an English term. I need to translate it. The direct translation would be "cung cấp dịch vụ" but maybe there's a more standard term. In Vietnamese, "service provider" is commonly translated as "nhà cung cấp dịch vụ." Let me confirm that. Yes, "nhà cung cấp dịch vụ" is the standard term used in contracts and business contexts.
I should make sure there's no existing Vietnamese content here. Since the input is in English, I need to translate it. No explanations, just the translation. So the answer should be "nhà cung cấp dịch vụ."