But practice shows that HFC does not always behave as a broadband network as we think.

但从技术实践来看，HFC表现出来的并不完全是宽带的特性。

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The international best practice that Apple claims to follow expects companies to be responsible for their supply chains and to behave responsibly towards other stakeholders, including their workers.

显然，大企业从供应链中独善其身的日子一去不复返了。或者可以这样说，这种做法在现今社会不再为人们所接受。

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Having developed this basic model, the researchers then adjusted for the fact that, in practice, cars behave somewhat differently from gas molecules.

ECONOMIST: Traffic management

However, the cat (or, rather, subatomic particles that behave like the cat) has proved hard to hunt down in practice because such superpositions of states are fragile and easily disrupted phenomena.

ECONOMIST: The 2012 Nobel prizes