@EricTopol How is it plausible that boosters were a straight line for three months?
@埃里克托波尔三个月来，助推器是一条直线，这怎么可能？
@EricTopol How is it plausible that boosters were a straight line for three months?
@埃里克托波尔三个月来，助推器是一条直线，这怎么可能？