not only need defend
不仅需要防守
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Not only is there less need to hold reserves to defend a currency, especially if intervention is of dubious value, but the other main reason to hold reserves as a safety cushion in times of war, a trade embargo or a banking crisis also looks suspect.
ECONOMIST: Intervention: divine or comic?
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