1.And that the total health security of the globe is really tied up in identifying these threats as quickly as possible and then trying to stop them in their tracks.
tied up 被占用的(東西等);脫不了身的;忙得不可開交的(人);綁扎了的;有關(guān)系的
He's tied up with his new book. He's working hard, you know.
他正忙他那本新書--你要知道他現(xiàn)在確實(shí)很努力工作 。
They were tied up with that big company.
他們與那家大公司關(guān)系密切 。