■ congratulations

这个意为“祝贺”的名词，必须用复数形式（祝贺的原因前面用介词 on）。

• Let me offer you my congratulations on your success.请让我对您的成功表示祝贺。

• command
• commit
• commitment
• common
• common knowledge
• common sense
• common sense 与 common knowledge
• communication
• community
• company
• compare
• compared
• competition
• competitive
• compile
• compile 与 compose
• complement
• complement 与 compliment
• complex
• complex 与 complicated
• complicated
• compliment
• comply
• compose
• composed