promises are often like the butterfly which disappear after beautiful hover
承诺常常很像蝴蝶，美丽的飞盘旋然后不见
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Promises are often like the butterfly, which disappear after beautiful hover.
承诺常常很像蝴蝶，美丽地盘旋然后不见。
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