This offer is valid for the full line of avast! products excluding BART CD. The update database for BART CD - 1 year is 20% of the original purchase price.是什么意思_This offer is valid for the full line of avast! products excluding BART CD. The update database for BART CD - 1 year is 20% of the original purchase price.在线翻译_英语_读音_用法_例句