Dưới đây là các câu đã được viết lại mà không thay đổi nghĩa so với câu gốc:

1. **During my time in the city, I conducted a survey to gather data about people's eating habits.**
→ During my time.

2. **I decided to reduce fast food and start cooking my own meals.**
→ I decided to cut down on fast food and start cooking my own meals.

3. **I love spending time with my friends at the local coffee shop.**
→ I love hanging out with my friends at the local coffee shop.

4. **Although I'm not totally used to the life here, I'm trying to continue with my exploration of the city.**
→ Although I'm not used to the life here, I'm trying to go on with my exploration of the city.

5. **With the efficient public transportation system, it was easy to move from place to place in the city.**
→ With the efficient public transportation, it was easy to get around the city.