1. True, there will be patches of perkiness in the emerging world. 而事实表明，新兴国家集团中将会出现新的活力。
2. Perkiness is further buoyed by upwardly mobile forecasts for economic growth. 经济增长预期的上调进一步提振了乐观情绪。
3. I'd like to meet a cute, fun girl who knows how to enjoy life and possess a perky personality - I like perkiness. =) I'll be a fun person for you to know too… 我想认识一个让我心疼的可爱女人…她因该跟我有共同开朗的心态，对万事有好奇，有兴趣。然我们能享受生命的奇妙。我也希望她有脚踏实地的事业，或是一位好学生。我不想跟那种玩弄男人的打交道…太麻烦了。
英英解释
n.
1. cheerfulness that bubbles to the surface
2. inappropriate playfulness
