The new software was immediately put to work to improve efficiency.

His health has improved to a considerable degree.

A baby was born to them.

I am new to this city.

Due to his recent mistakes, he was moved to the sidelines in the company.

Words serve to express ideas.

I had to come to grips with the fact that I failed the exam.

I can't believe how things changed from one day to the other!

He came to Tokyo five years ago, that is to say, when he was twelve years old.

To be frank, I think this 'conspiracy theory' is nonsense.