To understand the distribution of the matter within the cosmic web, we have to see more systems like this one.

要了解宇宙网中的物质分布，我们需要看到更多这样的系统。

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Interaction may cause transitions to negative energy states, so that there is no hope for a stability of matter within that framework.

相互作用有可能引起粒子态转化为负能态，因此在其框架内人们不能够指望物质是稳定的。

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In other words, there is no way to tell a lazy object apart from an eager one outside of the realm of the entity manager (and it really doesn't matter within).

换句话说，在实体管理器之外（在实体管理器内也没关系）无法把 非活动（lazy） 对象与 活动（eager） 对象区分开。

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South Korea and the United States have announced they will conduct a joint anti-submarine exercise, widely expected to take place within a matter of weeks.

VOA: standard.2010.05.27

And the fact of the matter is that rock and roll, which was invented within the lifetime of many of us.

事实上，我们很多人，见证了摇滚的诞生和发展。

普林斯顿公开课 - 人性课程节选

Within our own rooms, it doesn't really matter how clean they are,

我们自己屋干不干净其实并不重要，

有趣的室友们 - SpeakingMax英语口语达人

Three main topics will be tackled, namely removal of particulate and colloidal matter within drinking water production and in wastewater treatment, and reduction of colloidal carriers mobilised from waste disposals.

UNESCO: Water Portal | Water Events Worldwide

But outside the Fermi team, the focus shifted in early 2012, when a pair of papers on the Arxiv preprint server suggested hints of dark matter within Fermi's data, which are publicly available.

BBC: Fermi telescope may change to dark matter hunting

The Law Society of Scotland has noted that while the imposition of a minimum price of alcohol is a devolved matter within the legislative competence of the Scottish Parliament, compatibility with EU Duty Directives must be taken into account.

BBC: Health Committee