That is beginning to cause huge demographic problems, as populations age with startling speed.

这正在开始造成严重的人口问题，因为人口以惊人的速度在老化。

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But the speed with which loans have soured in recent months, and the reaction of rating agencies, have been startling.

但最近几个月贷款变质的速度，以及评级机构的反应之强烈，都让人目瞪口呆。

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That is beginning to cause huge demographic problems, as populations age with startling speed.

ECONOMIST: The decline of Asian marriage

The pendulum has swung away from U.S. public ownership with startling speed.

FORBES: Magazine Article

Some of the statistics, and the speed with which they have changed, have been startling.

FORBES: China Is Winning The Economic War