单元：Module 09.txt

• borrow
• put up
• website
• mail
• textbook
• mainly
• thousands of
• page
• electronic
• technology
• powerful
• memory
• full
• fix
• instructions
• lend
• properly
• look through
• printing
• at a time
• by hand
• development
• trade
• result
• spread
• in a way
• compare to
• introduction
• amount
• store
• varied
• form
• connection
• single
• direction
• replace
• wait and see