[請益] 句子文法看不懂
They've written books and columns and given passionate speeches,
decrying the wealth gap that is leaving more and more people
entrenched at the bottom end of the income scale.
其中，"given passionate speeches,decrying the wealth gap"，
為何要有逗號?逗號可以去掉嗎?
謝謝!
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※ 文章網址: https://www.ptt.cc/bbs/Eng-Class/M.1451403112.A.5F9.html
※ 編輯: uuufish (36.235.51.244), 12/29/2015 23:33:23
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