如果你想與一個外國人談論生意，你可以使用以下英文表達：
1. “Can I have a business discussion with you?”
2. “I’m interested in doing business with you.”
3. “I have some business proposals that I’d like to discuss with you.”
4. “I’m looking for a new partner/business opportunity.”
5. “Are you interested in exploring any potential business partnerships?”
6. “What are your thoughts on [business idea/concept]? Could we discuss it further?”
7. “I have a proposal that could potentially be of interest to your company.”
記住，要尊重對方的意見和時間，並確保交流清晰、有禮貌。