a welter of words的用法和样例：
- A welter of papers and magazines.
- In trade (both goods and services), a welter of impediments persist.
- They are engaging in a duel of words.
- The plan was hurriedly dropped amid a welter of criticism but has now been revived in a different guise.
- Amid a welter of gloomy economic data, Chinese leaders are determined to be sanguine.