Cantonese, which has up to nine tones as opposed to the five in Mandarin, is much more versatile and one of the richest dialects in Chinese.
David TangI've always wanted to go to Timbuktu. First of all I think it has the best name of anywhere in the world.
David TangIt was something of a personal challenge for me to come up with a business suitable for the Internet world and the Internet age.
David Tang