Unit1恰到好处Haveyoueverwatchedaclumsymanhammeringanailintoabox?Hehitsitfirsttooneside,thentoanother,perhapsknockingitovercompletely,sothatintheendheonlygetshalfofitintothewood.Askillfulcarpenter,ontheotherhand,willdrivethenailwithafewfirm,deftblows,hittingiteachtimesquarelyonthehead.Sowithlanguage;thegoodcraftsmanwillchoosewordsthatdrivehomehispointfirmlyandexactly.Awordthatismoreorlessright,a...
