8.政府说疫情不严重,官员却在狂抛股票,为什么?
8.Why did the US government keep downplaying the pandemic while its officials privately dumped stocks?
9.不许美国专家学者随意公开谈论新冠病毒,是想干什么?
9.Why are US experts not allowed to discuss COVID-19 in public?
10.海外生物实验室到底在做什么研究,为什么从不向外界透露?
10.What research is being done in the US overseas biological laboratories? Why does the US keep tight-lipped about it?】