2.The birds peck the berries__________the corn, and fly away to the groves__________they sit in seeming happiness__________the branches, and waste their__________in tuning one unvaried series of sounds.
1.我也像它一样因需求匮乏而痛苦，但不像它因需求丰裕而满足。
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2.但昨天还能使我愉悦的乐章，今天却令我厌烦，明天变得更令人厌倦。
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3.在快乐之前，他有一些有别于感觉的渴望，必须先得到满足。
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