供需错配矛盾逐渐突出，行业保费增速自年初不断下行。2021 年保费整体来看呈现高 开低走局势，年初开门红和新旧定义切换带动保费表现良好，但供需错配的矛盾逐渐凸显，保费增速持续下行。疫情造成的不确定性增强，收入增长放缓固然是增长放缓的原因 ...

The U.S. space agency, NASA, says large quantities of methane gas have been detected on Mars, hinting at the possibility of biological or geological activity on the Red Planet. A team of scientists ...