热线 rèxiàn hotline (communications link)
How to remember 热线: 热 hot + 线 line = hotline (communications link).
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How it is used
- A hotline (phone service) - 服务热线 (fúwù rèxiàn) service hotline, 咨询热线 (zīxún rèxiàn) inquiry hotline, 拨打热线 (bōdǎ rèxiàn) call the hotline.
- A dedicated phone line for service/help/inquiries; 热 (hot) + 线 (line).
- Everyday in customer service and public services.