The phrase “big deal” in Paragraph 1 means .
举一反三
- The phrase “pick up” underlined in Paragraph 1 means ____ .
- The phrase "largely renounces" in the first paragraph means ______.
- The phrase “feed off” in the last paragraph means _____.
- The phrase "ward off" in Paragraph 2 most probably means "_________".
- 青书学堂: (3). The phrase “filter out” in the last paragraph means __________.