The danger cue was a large circle accompanied by a “highly uncomfortable but not painful” electric shock to the wrist.

危险信号是个大圈，同时会给予研究对象一个“很不舒服但不造成伤害”的手腕部电击。

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The danger of such rhetoric is clear: doubt the EU's sincerity and the circle turns from virtuous to vicious.

类似逻辑的危险性不言而喻：欧盟的诚意受到怀疑，良性循环将变为恶性循环。

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The danger here is that Italy descends into the kind of vicious circle that other European nations have faced.

危险是，意大利会走进其他欧洲国家已经面临着的一种恶性循环中。

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