"挡箭牌"是个多义词，它可以指挡箭牌（词语释义）,挡箭牌（郭修彧演唱歌曲）。
另一个促使人们倾向于否定本性难移假设的因素是，这一概念经常被滥用，被当作大多数不人道行为的挡箭牌。
Another factor contributing to the tendency to deny the assumption of a fixed human nature was that the concept has so often been abused as a shield behind which the most inhuman acts are committed.
格林斯潘把预测的困难当作主要挡箭牌。
The difficulties of forecasting served as a key defense for Mr. Greenspan.
再不要拿这个做挡箭牌！
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