Выбор профессии - дело, безусловно, ответственное. Выбирая профессию, человек не просто выбирает ту деятельность, которой ему предстоит заниматься в рабочее время (что уже немало). Он выбирает и образ жизни, весь ее уклад.
Choice of profession-case certainly responsible. Choosing a profession, a person is not simply chooses the activities which he had to deal with during working hours (which is already quite a bit). He selects and lifestyles, all her life.
choice of profession is definitely responsible. choosing profession, people don't just choose the activities which he has to deal with in time (which is a lot). he chooses and the way of life, all the way.