However, we do not know the mass of the Higgs boson itself, which makes it more difficult to identify.

但是，我们并不知道希格斯玻色子自身的质量，这使得识别它的难度大大增加。

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Which is why it makes sense to think seriously about recess, not treat it as something that will just run by itself.

这让我们严肃地思考为什么课间休息是有意义的，而不应该持随他去的态度。

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XML by itself is relatively complex, but parsers already exist in the browser, which makes that step simple, for instance.

XML 本身是相当复杂的，但是现有的工具比较成熟，例如浏览器中已经存在的解析器会使解析步骤简化。

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Whether people voted for it or not, the assembly has a voice which makes itself heard every day in business, industry, the health service, education, transport and local government in Wales.

BBC: Has the assembly made a difference?

Dispersant, which is toxic by itself, also makes the petroleum more toxic.

CNN: We are all Gulf victims now

In order to reach a lot of customers quickly, Fortify has allied itself with Borland, which makes a widely used set of programming tools and will now sell Fortify to security-minded customers.

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