holdingaknifeinone'srighthandlongerthanafewsecondsisthoughttobeagainstgoodtablemanners.
Thesystemisthatifitisnecessarytouseaknife,peopletaketheforkintheirlefthands,andcutoffa
pieceofmeatorothers.Then they put theknifedown,transfertheforkto their right hands,andthen
transferthefoodtotheirmouthswith thefork. Thisisclearlyfunny,butitisconsidered good manners.
Thereareseveralresultsofthissystem.First,ifitisnotnecessarytouseaknife,Americansdon't use
one,becausethisgreatlycomplicates（使复杂化）things.Therefore,sometimestheywilltrytocutthingslikepotatoesandevenbaconwithafork.Second,sinceonlyoneimplement（器具）isbeingused,foodhastobechasedaroundtheplatewiththefork.Third,tablesareusuallylaidwithoneknifeandtwoforks.Theoutsideforkisforthesalad.Thereisno needforforeign visitorstofollowthe Americansystemand
trytoeatthesaladwithonlyafork,butifyoudouseyourknife,remembertosaveitforthemeat.
B.makeupanddown
C．takeaway
B.Americanseateverythingwithaknife
C.Americansuseaforktoputfoodintotheirmouths
B.thereisnoknife
C.theythinkitiscomplicatedtouseaknife
B.Americanswillnotuseaknife
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