Massive stars give, but they also take away-and that puts the inner limit on the galactic habitable zone.

大质量恒星有所予，但它们同样有所取，这便给银河系中的“宜居地带”造成了另外的限制。

youdao

Start with 180 minus your age (a) for the fat burning zone upper limit target heart rate (z).

用180减去您的年龄，得到脂肪燃烧区的上限值。

youdao

All 16 members of the euro zone now breach the 3% deficit threshold, and 12 also violate the 60% debt limit.

欧盟全部16个成员国都已达到了3% GDP的赤字上限，有12国超出了60% GDP的债务上限。

youdao

If you're in the danger zone, try to limit deductions that aren't allowed in AMT--for example, unreimbursed employee business expenses. (Ask for a bigger expense account instead of a raise.) And pick your muni bond funds carefully: Certain muni interest is taxed in the AMT.

FORBES: How to adjust your investing, loan and AMT strategies.

Under their single European monetary policy, euro-zone countries have already agreed to limit their budget deficits and to respect broad guidelines in making economic policy.

ECONOMIST: Europe's convention

The extra cuts are needed to deal with what forecasters say would otherwise be a 2013 budget deficit of 4.5% of GDP, way over the 3% limit enshrined in the euro zone's new fiscal pact.

ECONOMIST: The Netherlands and the euro