For who knoweth what [is] good for man in
[this] life, all the days of his vain life which he spendeth as a shadow? for
who can tell a man what shall be after him under the sun?
BSB
For who knows what is good for a man during the few days in which he passes through his fleeting life like a shadow? Who can tell a man what will come after him under the sun?
WEB
For who knows what is good for man in life, all the days of his vain life which he spends like a shadow? For who can tell a man what will be after him under the sun?
YLT
For who knoweth what is good for a man in life, the number of the days of the life of his vanity, and he maketh them as a shadow? for who declareth to man what is after him under the sun?