It is a matter of space, a matter of supplies and a matter of security.

这是空间问题，是供应问题，是安全问题。

youdao

The user supplies a secret key (password) to the security server to prove its identity.

用户向安全服务器提供一个秘密密钥（密码）来证明其身份。

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The bigger worry is that unrest spreads through the region, threatening Israel’s security or world oil supplies, and thus a fragile global recovery.

投资者更担忧的是由此引发的地区性动荡，那会威胁到以色列的安全或世界石油供应，进而影响到还很脆弱的全球经济复苏。

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But security is one of the top concerns as election officials hurry to deliver supplies to polling stations before the harsh winter weather cuts off access.

VOA: standard.2009.10.24

But in many regards, it is a matter of space, a matter of supplies, a matter of security where issues come out which don't really matter whether you believe in religion or not.

但是就各种方面来说，是关乎空间，关乎资源供应，关乎安全,这些问题并不一定和你,是否有宗教信仰有关。

普林斯顿公开课 - 人性课程节选

We need sustainable energy security that includes diversification of supplies and transit routes,".

VOA: standard.2009.10.23

Germany's aversion to nuclear power may run counter to its desire for both cheap electricity and security of supplies.

ECONOMIST: Energy in Germany: Nuclear fallout | The

On top of that, a rising population, droughts and climbing commodity prices underscore how food security and supplies will be a major challenge in the coming decades.

FORBES: Salt: A Favorite Ingredient Gets A Molecular Makeover

Clean-tech investment is also driven by concerns about the security of energy supplies, says Bruce Huber of Jefferies.

ECONOMIST: Business comes to terms with a disappointing outcome