text:  It's been a scorching summer in Shanghai, but today is cooler, just 88 degrees. What's not so hot? Business at this newly opened coffee shop. Sales are OK, says owner Rose Liu, but nothing like her old coffee place that she closed in early 2022. Before the pandemic, she says, I could make money even if, to be blunt, I was selling garbage. There's a lot less foot traffic now, she says.