坦桑尼亚桑给巴尔总统：中企项目有效助力当地经济社会发展

Group 1 - The core viewpoint of the article highlights the successful advancement of key infrastructure projects in Zanzibar, Tanzania, undertaken by Chinese companies, which will significantly improve local transportation conditions and inject new momentum into the economic and social development of the region [1] Group 2 - The Tanzanian President Mwinyi emphasized the importance of these infrastructure projects for enhancing transportation [1] - The projects are expected to play a crucial role in the overall development of Zanzibar's economy and society [1]