About forty percent of all email traffic in the United States is spam, and this figure is climbing rapidly. Spam is
usually defined as unsolicited, mass commercial email. It is often 44 advertisements for pornographic websites,
drugs, or surgery that can enhance your sex life. Within another year or so, industry experts 45 , half of all email
messages will be unsolicited.
The flood of email marketing causes headaches for email users. 46 , it costs corporations billions of dollars and
reduces employee productivity. According to a recent study, the average employee spends almost seven minutes
per day
handling an average of 13 spam messages. This 47 to major corporate losses. The annual cost of spam has
reached $9 billion for US corporations alone. 【題組】47 (A) interprets (B) expresses (C) means (D) translates
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