问题描述：
英语翻译
onedaymrswilsontooktrudyandbentogoshopping.theywenttothesupermarketinthenewshoppingmall.
"whydoyoubuythingshere"trudywantedtoknow.
"becausetheyarecheapherethanatthecornerstore,"mrswilsonsaid."helpmechecktheprices."
thewilsonswerenotwealthyandmrswilsonwasalwayscarefulwithhermoney.shelookedcarefullyatthepricesofthings.sheboughtsomegrocericsinthesupermarket.
whentheygothome,thechildrensaid,"wedon'tthinkyousavedmoneybugoingtothesupermarket."
"ofcourseidid,"saidmrswilson."everythingwascheapthere."
"weknow,"saidthechildren,"butwecamehomebytaxibecausewehadtoomuchtocarry.thecostofthetaxiwasmorethanthemoneyyousaved"
mrswilsonsddedeverythingupandfoundherchildrenwereright.
"welldone."shesaid."nexttimewewilldoourshoppingnearourhome."
