In theory, there is no difference between theory and practice. But, in practice, there is.

"What's the difference between erotic and kinky?" "Erotic is when you use a feather and kinky is when you use a whole chicken."

I am sure that more flags were burned as a result of Congress passing that law than had ever been burned before.

What a contrast between them!

There are noticeable differences between the two.

There is a marked difference between them.

There is little, if any, difference between the two.

We have to consider the problem in the light of cultural differences.

Manners and customs vary greatly from country to country.

She must be ill in bed.

He looks pale. He must have drunk too much last night.

He must have drunk too much last night.

He could not perceive any difference between the twins.

They were born one month apart in 1970.

I do not suspect that his opinion is any different from ours.

It must be easy for him to find the way.

I'm afraid you have the wrong number.

I'm afraid you have the wrong number.

One of the important differences between Japanese and Americans is that Japanese tend to choose a safe course in life, while Americans choose to explore and challenge life.

While the Japanese school teaches almost the same subjects that I study in America, five differences stood out for me.