According to the passage，which of the following is NOT one of the differences between big companies and start-up companies?
举一反三
- According to the passage, credit cards are big business because credit card companies make a big profit from both ______.
- Which of the following are American companies?
- Which of the following companies is not an American broadcaster?
- Which one is NOT one of American three worldwide record companies?
- According to the passage, companies often look for IT managers from （）. A: non-computer technicians B: their own professionals C: other companies D: another country