用campaign.behave.,connection分别造句

economical compaign is going on between China & USA.
she behaves like a graceful swan.
connection between the two families is relying on this little poor boy.什么意思中国和美国正在发生经济战役。她表现的像只优雅的天鹅。那两个家庭的关系全维系在这个可怜的小男孩身上。