450 is the magic number.

450是具有魔性的数字。

youdao

So it may be that 10,000 hours, not 10 years, is the magic number.

所以，更确切地说，一万小时，而非十年，是个神奇之数。

youdao

The rapid weight gain continues----6 pounds is the magic number this week.

体重还在迅速增加----这周会达到6磅的神奇数字。

youdao

"From a wedding planning perspective, 12 months is kind of the magic number, " Winikka said.

CNN: STORY HIGHLIGHTS

To see whether the next magic number is nearby in the periodic table, the experimenters will now try to produce element 120 by bombarding a plutonium target with a beam of iron ions.

ECONOMIST: Nuclear physics: Magical shell game | The

For example, on the Republican side, John McCain is almost surely going to go past the magic number of 1, 191 delegates and he will become the presumptive nominee of the Republican party.

NPR: Day of Reckoning Ahead for Clinton, Obama