It is certainly hard to spot bubbles; but central Banks already grapple with other imponderables, such as the size of the output gap or the level of structural unemployment.

识别经济泡沫开始形成当然有难度，但央行已经有过处理其他不可预知事件的经验，像衡量产出缺口的大小或结构性失业率的水平。

youdao

The size of each gap is one less than a power of two, so there's a definite pattern here.

每个距离的大小为 2 的幂次方减一，因此这里有一个明确的模式。

youdao

Uncertainty over the size of the output gap complicates the task of central Banks.

产出缺口不确定，央行任务更头疼。

youdao

For the last two years there has been a Grand Canyon-size gap between facts and fear.

FORBES: Joe the Dumber

As for T-shirts, a size small, short-sleeved number from Ralph Lauren (nyse: RL - news - people ) Sport equates to a medium "Favorite Tee" from Gap, and a size 18 crew-neck T-shirt from Petit Bateau.

FORBES: What Size Are You--Really?

As for T-shirts, a size small, short-sleeved number from Ralph Lauren Sport equates to a medium "Favorite Tee" from Gap, and a size 18 crew-neck T-shirt from Petit Bateau.

FORBES: Magazine Article