It requires protection in England during the winter.
It requires knowing what you should do in a given situation.
No doubt this eulogy requires some reservations.
The Arno is navigable for barges as far as Florence; but it is liable to sudden floods, and brings down with it large quantities of earth and stones, so that it requires careful regulation.
Far greater polyphonic detail of another kind is no doubt possible, but it requires far longer time for its expression.