(They) i.e. the people of Mecca (know only some appearance of the life of the world) the dealings of the life of this world, such as earning a livelihood, trade, buying and selling and counting from one to 1,000, and also that which they need in winter and summer, (and are heedless) ignorant (of the Hereafter) of the matter of the Hereafter and do not strive for it.