ZANZIBAR, Tanzania, Aug. 3 (Xinhua) -- "How are you teacher," a common greeting in schools in China, has become increasingly popular among students in Tanzania's Zanzibar, where Li Xianyi, an associate professor of Chinese language and literature, has been volunteering to teacher Chinese for more than 10 years.
Li, who has another name Li Yaya, has a busy schedule from dawn to dusk as she travels in rural areas teaching the Chinese language.
