Two poor countries with a multitude of problems thinking they are going to rule the world when they can't evenrule their own backyard.
两个穷国都有着一堆问题，甚至不能把自家后院收拾干净，却打算征服世界。
2
Bone marrow is an exception to this rule, however, since even in adults, bone marrow cells continually divide to replace old blood cells.
然而，骨髓是个例外，因为即使在成年人体内，骨髓细胞也在不断分裂，以取代老化的血细胞。
3
Kennedy wrote that the rule "limited states' ability to seek long-term prosperity and has prevented market participants from competing on an even playing field".