He steered the company to unprecedented levels of profitability.

他带领公司达到了所未有盈利水平。

But the environment is facing unprecedented perils, caused by human activity.

但由于类活动，环境正面临着所未有危险。

This disregard has continued even in these unprecedented times.

即便是在（新冠疫情）这个史无时期，这一漠视也没有停止。

An unprecedented test of social mobility looms.

对社会流动性所未有考验正在冒头。

But the current outbreak is unprecedented in size and scope.

但是现在疫情在规模和感染范围上是所未有。

That's why they're doing unprecedented things to prepare for that.

他们正在做着所未有准备来应对洪水。

It has the potential to foster unprecedented human creativity.

它具有培养所未有类创造力潜力。

It could also, if broadly adopted, vest unprecedented power in the hands of its issuer.

如果广泛使用，发行者还能得到所未有权力。

But now it's poised for an unprecedented handover of power.

但是现在，该国正准备进行史无权力交接。

With oil, some of us acquired unprecedented comforts.

石油令一部分得享从未有过舒适。

And yet, an unprecedented number of us feel isolated.

可在其中仍有巨量们时时刻刻感到孤独。

Well it's --it's absolutely not normal, it's unprecedented.

嗯，这是绝对不正常，这是所未有。

John Haga of the National Institute on Aging says this is unprecedented.

国家老龄化研究所约翰·哈加说，这是所未有。

Economists there note quote, " the unprecedented magnitude of the decline in employment and production."

经家指出，" 就业和生产下降幅度所未有。"

That unleashed unprecedented floods and landslides that destroyed towns and infrastructure.

这引发了所未有洪水和山体滑坡，摧毁了城镇和基础设施。

Agata Imielska, from Australian Bureau of Meteorology, says the rains have been unprecedented.

澳大利亚气象局阿佳塔·依米斯卡表示，这次降雨是所未有。

So some analysts are calling this unprecedented in Saudi history.

一些分析士称这是沙特历史上史无行动。

The country has been stuck in an unprecedented political stalemate.

这个国家陷入了所未有政治僵局。

How unusual is that? I'm told that this is unprecedented.

这种情况有多罕见？我听说这是史无。

A new warning today that Puerto Rico needs help on an unprecedented scale.

美属波多黎各需要帮助，且规模超过预想。