The expiration-cache element specifies the duration, in seconds, that a cache considers the portlet fragment to be "fresh".

expiration-cache 元素指定了缓存将 Portlet 片段视为“新”的持续时间（以秒为单位）。

youdao

This is the fashion element of life that mainly creates for the male readers, the most comprehensive network of auto and digital information for life in fresh colors.

主要为男性读者打造的时尚生活元素，网络最全面的汽车以及数码资讯，为生活注入新鲜色彩。

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Writers entrust language to its original intention, manifest the emotional element of speech sounds, fresh the meaning of vocabulary and depart from the conventional pattern of grammar.

作家的这种赋予主要表现在：回到语言的原意中去，在语音上开掘情感要素，在词汇上推陈出新，在语法上不落窠臼等各个方面。

youdao

Daily Element-specific challenges keep things fresh, and the whole game is really what I hope we see in the next main Skylanders release: a real platformer with RPG elements.

FORBES: The Ultimate Family Gamer Holiday Gift Guide (2012)

Here, he puts together a package of pies that draw on fresh ingredients and tried-and-true pairings, injected with just enough playfulness to add an element of fun.

WSJ: Homemade Pizza Recipes: Pizza Perfect