But all bubbles, as we have painfully learned about finance, must eventually burst.

但是泡沫总有破裂的一天，我们已经痛苦地从金融领域得到教训。

youdao

But all bubbles are identifiable, and the process described in the paragraph above is not invisible to the naked eye.

不过，所有泡沫都是可以辨认的，即使仅凭肉眼也能观察到上文中所描述的过程。

youdao

All bubbles start with a good story: Manias over dot.com companies, U.S. homes, even tulip bulbs all began the same way.

所有的泡沫都开始于一个美丽的故事: dot.com网络企业的疯狂, 美国的房市, 甚至郁金香市场的泡沫开始的时候都是这样.

youdao

A cast that includes Danny Glover, Whoopi Goldberg,Quincy Jones, Steven Spielberg,John Travolta, Billy Dee Williams, and Jackson's chimpanzee Bubbles, all wonder where the pop star is until he reveals in the final scene that he has been above them filming the video all along.

VOA: standard.2009.06.26

But it is hard to make such a case for all bubbles.

ECONOMIST: Sometimes it helps if investors are gloomy

With all bubbles come the inflation, the euphoria, and finally the pop, so there is bound to be some pain around the corner.

FORBES: Here Comes Bubble 2.0, Which Is Just What The Economy Needs

And finally, you say all bubbles end in parabolic spikes?

FORBES: Gold: A Great Buying Opportunity Approaches