Complex sentence: Taiwan's sugar trade, which flourished for almost 400 years, is now a sunset industry, and the Taiwan Sugar Corporation has diversified its business into tourism, floriculture, biotechnology, and retailing.
Split into simpler sentences: Taiwan's sugar trade, which flourished for almost 400 years, is now a sunset industry. The Taiwan Sugar Corporation has diversified its business into tourism, floriculture, biotechnology, and retailing.