- actharmfullyon(sth/sb)Frequentexcessiveconsumptioncanharmfullyinterferewiththeuser'swell-being.Indigitalterrestrialtelevisionsystem,thereismuchburstandrandomnoiseinthebroadcastingchannel,andburstnoiseismoreharmfullythanrandomnoise.Griffith'sstrateg...
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