on business
I'm not here on business.
He traveled on business.
I'm not here on business.
Tom foi para Boston a negócios oficiais.
Tom went to Boston on official business.
O Tom viaja a negócios de vez em quando.
Tom travels for business from time to time.
Meu pai vai frequentemente a Paris a negócios.
My father frequently goes to Paris on business.
O pai, que está viajando a negócios, sempre escreve ao filho.
The father, who is traveling on business, always writes to his son.
Meu pai costuma ir para os Estados Unidos a negócios.
My father often travels to the United States on business.
Ele foi a Nova York a negócios.
He went to New York on business.