A blue suit, white shirt and red tie are essential for all male workers

He departed from the old custom

A majority of Japanese workers plan to take more than three consecutive days of summer vacation

My father has been engaged in foreign trade for many years

The guests were waited on by a highly trained team of young staff

He is engaged in foreign trade

I am engaged in a new business

We are engaged in a difficult task

About 50 percent of the firms in Japan have acknowledged the necessity of giving their workers longer holidays, and think summer holidays are needed to give their workers both mental and physical refreshment

He is engaged in selling cars