摘要
Task 1 The problem of robocalls has gotten so bad that many people now refuse to pick up calls from numbers they don't know.By next year,half of the calls we receive will be scams(欺诈).We are finally waking up to the severity of the problem by supporting and developing a group of tools,apps and approaches intended to prevent scammers from getting through.Unfortunately,it's too little,too late.
