英语演讲稿 look before you leap 2分钟左右

ladies and gentlemen,this is a time that all the things never shows their real sides.all we see is fake.we saw the environment is getting better,but in fact,it's getting worse!we saw the sky is getting clearer,but i'm sorry,it's getting much more dirty!so,what should we do then?here i have a tip for all of you,"look before you leap.before we do things ,we must think,to analysis the result of doing so,to get the turth,to make things better.don't be impertinence!