To survive, the polar bear must keep its body at the right temperature and store enough energy to last between meals that could be a few days or a few months apart.

I stayed in Japan only a few months.

I stayed in Japan only a few months, during which time I went through a series of hardships.

It'll be forgotten in a few months' time.

It is only a few months since that Frenchman came to Japan.

These few months, this girl has almost never left her room.

It could take weeks, even months.

I've been on my own these past few months.