at a charge of 意味

• ～の費用で、～の料金で
  

• (in) charge:    (in) charge担当たんとう
• a charge:    a charge一発いっぱつ
• at no charge:    無料｛むりょう｝で

例文

Ladies and gentlemen , at this time , liftoff wireless' wifi service is available at a charge of $9 .99 for the duration of the flight .
皆様 これより 機内のWi -Fiサービスが

Ladies and gentlemen , at this time , liftoff wireless' wifi service is available at a charge of $9 .99 for the duration of the flight .
皆様 これより 機内のwi -fiサービスが