中英释义：
双语例句
通常的观念是认为如果逗号可以帮你在一句话里避免歧义，你可以自由选择是否用它。
The common wisdom is that its use is optional, and depends on whether it will help to avoid confusion.
重点词汇
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避免
avoid; avert; escape; shun; eschew; beat; ward off; avoidance; around; lest
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歧义
ambiguity; double meaning; equivocation; ambivalence; polysemy