by pressed for

缺少，缺乏

by choice, by comparison, by courtesy of, by error, by far, by force, by hand, by heart, by instinct, by invitation, by itself, by leaps and bounds, by little and little, by means of, by mistake, by name, by nature, by night, by no means, by oneself, by reason of, by reason that, by request, by the moment, by the name of, by the same token, by the standards of, by the way, by turns, by virtue of, by way of, by worthy of, by yourself, by-election, by-law, by-play, by-product, by-road, bye, bye-bye,