1. My uncle is away on a trip in Korea.
My Uncle is away on a business trip in Korea.
2. I went on a trip to Australia last month.
I went on a business trip to Australia last month.
3. I returned from a trip to Malaysia.
I returned from a business trip to Malaysia.
4. My boss will come come back from a trip next week.
My boss will come back from a business trip next week.
5. I'm having a trip to Japan next year.
I’m having a business trip to Japan next year.