Các câu ví dụ cho từ precaution

1. "The airports in Da Nang, Chu Lai in Quang Nam, Phu Bai in Thua Thien-Hue, Dong Hoi in Quang Binh, and Vinh in Nghe An are closed as a precaution.

2. As a Covid-19 precaution, people from the mainland going to Thanh An for any purpose are required to fill out health declaration forms and have their body temperature checked upon arrival.