In this episode of the Business English Podcast, Lindsay and Michelle discuss the expression "to go downhill," exploring its meaning and usage in both business and everyday contexts. They share personal anecdotes and examples of products, services, and even towns that have declined in quality. The hosts also delve into the reasons behind this decline, such as complacency and private equity buyouts, and offer alternative phrases to express similar sentiments. They further highlight the importance of maintaining quality in business and encourage listeners to be mindful consumers. The episode includes a role-play scenario to illustrate how to use the expression in conversation, and they recommend listeners check out the All Ears English podcast for more English learning content.