https://static01.nyt.com/images/2022/08/18/world/CN-18china-heat1-copy/merlin_211307808_b8c3bcbb-e9cc-4525-8755-84093dbd08bf-mediumThreeByTwo440.jpg简报：极端热浪拖累中国经济；美国将与台湾进行正式贸易谈判