Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food.

Building thousands of years ago, the ancient palace is popular with modern tourists.

I can’t go out tonight because I have too many work to do.

There are many different ways of comparing the culture of one nation with those of another.

Should you mind telling me the way to the nearest restaurant?

I was very busy lately since the project of designing the new collection started.

For thousands of years, man has created sweet-smelling substances from wood, herbs and flowers and using them for perfumes or medicine.