I have seen the affliction that God has given to the sons of men, in order that they may be occupied by it.
I have seen the travail, which God hath given to the sons of men to be exercised in it.
I have seen the painful labor and exertion and miserable business which God has given to the sons of men with which to exercise and busy themselves.
I have seen the travail which God hath given to the sons of men to be exercised therewith.
I have observed the task that God has given human beings.