水有源, 木有本.A stream has its source, a tree has its root.木有本,水有源.Every tree has its roots and every river has its source.爱金钱是万恶之源.The love of money is the root of all evils....
省下来的钱可以用于更有意义的事业。The money saved could be used for more deserving causes.我不想混日子，我想做点更有意义的事情。Instead of rushing at life, I wanted something more meaningful.富有挑战性且有意义的教师职业a challenging and rewarding career as a teacher...
The whales migrate some 6,000 miles to breed and calve in the warm lagoons.鲸会迁移6,000海里左右，到温暖的环礁湖生殖繁衍。The Islands are by shallow crystal clear lagoons enclosed by coral reefs.该群岛包围由珊瑚礁封闭的浅水清澈泻湖.It is deposited in low - en...
Having the right equipment at hand will be enormously helpful.手头上有合适的设备将会帮上大忙。Somewhere close at hand a train rattled by.一辆火车从我的身边轰隆隆地开过。When he writes , he always keeps a dictionary at hand.他写作时手边总备有一本词典....