pewna ilość

"I needed a certain amount of time to get experience to understand."

I spent a certain amount of time learning my trade.

But with a certain amount of research, you can find out who they are, and start making phone calls.

Yet he did have a certain amount going for him.

Because they were big, he needed a certain amount of time to run between them.

To make sure you worked a certain amount of time during the year?

He's always had a certain amount of problems in training.

However, I do use this with a certain amount of common sense.

A certain amount has been done, but it is far from enough.

At the same time, a certain amount of understanding is important.

Before presenting some examples of objectivity rates, certain other quantities need to be introduced.

And a certain quantity of arms and armed forces will remain.

Often these quantities are measured as a level in decibels relative to a certain quantity.

Lexicographic preferences extend only to a certain quantity of the good.

The price in that case is imaginary, like certain quantities in mathematics.

Offering a small cash amount for each item of a certain quantity.

The first part stipulates that all states receive a certain quantity regardless of their population or risk status.

The uncertainty principle does tell us that it is impossible simultaneously to measure certain quantities.

This fact shows that thermodynamic-like relations exist between certain mechanical quantities.

But why should this agency only be funded by persons who buy a certain quantity, 150,000 tonnes of oil or more?