"To my experience, there are people who might want diamonds from labs, or wherever, but they don't want to tell other people their ring was a few hundred dollars or less, when they need something to brag about," Li said.

Suppliers brag that once you consume their products, you will definitely lose weight.

He may look back with pride, feel vindicated and brag, "See, I told you. "

They must not brag about such technologies to sell vehicles.

But unlike several months ago when Yang would brag to her friends about higher-than-expected return rates, she is now more worried about the recent turbulence among the public equity fund market.