1. Discuss the potential drawbacks of shopping in street markets, such as crowdedness, lack of product guarantees, weather dependency, etc. 2. You can also mention personal experiences or general observations that highlight these disadvantages.

1. 讨论在街市购物可能存在的缺点，比如拥挤、产品质量无法保证、天气受限等。 2. 也可以提及个人经历或一般观察来突出这些不利之处。