Cantonese is rich with vowel sounds, but some of them can be difficult for non-native speakers. One of the biggest challenges in this realm is differentiating between the "a" and "aa" sounds (with the classic example being *gai1 *(雞, chicken) vs. *gaai1 *(街, street)). Luckily, Raymond has three great tips for how to create more distinction between how you pronounce the two.Vocabulary and transcript)UBC Cantonese pronunciation modules)