An element is a simple substance that cannot be broken up into anything simpler.

元素是一种单质，它不可能再分成任何更单纯的物质。

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It wasn’t exactly easy to meet a guy of substance, but it was relatively simple to get a date.

刻意的寻找一个约会对象并不是件容易的事，但进行一次约会却相对容易一些。

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"Inspired by the modern fast-working pace and increasing need of spiritual substance, we wished to make a design that could make the tea ceremony just as simple as having a tea bag," it continued.

“灵感来自现代快速的节奏和对精神实质的日益增长的需求，我们希望做一个设计，可以使茶道就像一个茶包一样简单”，品牌继续说道。

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"We've come a long way in 10 years, from simple ideas to really seeing some substance in the existence and tractability of targeting these funny structures, " he told the BBC.

BBC: 'Quadruple helix' DNA seen in human cells

According to the plan, when the homeless have found a permanent place to live, the state will offer them whatever social services they need to succeed in that house, from substance-abuse counseling to simple help in learning how to shop or how to balance a checkbook.

NPR: Chronically Homeless See New Woes in New Orleans