It means, something you already have is twice as valuable to you as something you might be able to get. In other words, don't abandon something valuable you already have in the risky hopes of getting something better.
If something is biannual, it happens twice a year.
No, "twice" is not a preposition. It is an adverb that indicates something is occurring two times.
twice nice, twice precise
Bi-cut can be a verb or noun. The verb means cutting something twice, the noun means something that has been cut twice
twice nice, fair pair, twice precise
to double something twice as much
Biannual or semiannual.
57.3337499283736438% chance
It's possible, but not likely, to get chickenpox twice after getting chickenpox vaccine. Talk with your health care provider to find out how certain was the diagnosis.
the only combination which does not produce heads at least once it tails twice. the odds of getting tails twice is 0.5*0.5=0.25 so the odds for getting heads at least once is 1-0.25=0.75 or 75% or 3/4.
No, the word "twice" is not a preposition. "Twice" is an adverb that indicates a frequency or occurrence of something happening two times.