Many different techniques have emerged over the years, most of which involve applying small jolts of electricity externally to muscles, via electrodes on the skin, to make them contract.

过去几年里许多不同的技术层出不穷，大部分是同过皮肤上的电极从外部对肌肉施加微小的电震动，使肌肉收缩。

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If we fail now, we are breaching the contract that all parents must make with their children: to leave them a better world.

如果我们现在失败了，我们就破坏了所有家长要与子女达成的协议：留给他们一个更好的世界。

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Let's discuss the clauses to see if we agree on all of them. Then I'll make out an original of the contract. After that, what's left is to fill out the contract and sign our names.

让我们讨论一下下并看是否能达成协议，然后我再拟一个合同正本，最后就只剩下填合同还有我们的签名了。

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But universities are clearly becoming desperate, and the arrival of at least four firms of ambulance-chasing lawyers keen to persuade students to sue for breach of contract can only make them more so.

ECONOMIST: Unruly academics: Anarchy in academe | The

Less grimly, electric currents have been used for years by physical therapists to make muscles contract as a way of stimulating and strengthening them.

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