GivemesixhourstocutdownatreeandIwillspendthefirstfoursh...
問題詳情:GivemesixhourstocutdownatreeandIwillspendthefirstfoursharpeningtheaxe.—AbrahamLincolnAgreatquote(語錄),isn’tit? 16 Whentheyhaveaproject,manypeoplejustworkonitdirectlywithlittleornoprep...