What you call marriage is by law and custom not nature.
By custom they would have killed him on the spot.
But this is by the laws and customs of my own land.
By both law and custom, they shouldn't speak or even recognize each other.
The fear is that by custom and tradition the Press will never leave the bar.
By law and custom, little April had been in charge of her clients, no matter how young she was.
By custom there were seven conditions where a man could divorce his wife.
The weekend is that period of the week set aside by custom or law for rest from labor.
Women, although usually having less rights by custom, were allowed to level civil and criminal charges against men.
Human genetic planning was very limited, by law and custom.