Intheearlynineteenth的精選

問題詳情：根據要求完成任務；根據短文，簡要回答下面的問題。 Intheearlynineteenthcentury,peopledidnotusestamps.Theyhadtopaypostage（郵費）whentheyreceivedletters.Sometimestheydidn'twanttoreceivealetteratall,but...