- 問題詳情:FindingaNewSpringAtradesmanwasleadingacaravan(商隊)toanothercountrytosellhisgoods.Alongthewaytheycametotheedgeofaseverehot-sanddesert.Theyleathatduringthedaytimethesunheatsupthefinesanduntilit’sashotascharcoal,sonoonecanwalkonit--notevenbull...
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