см. тж. в силу необходимости ; обязательно
• The steam cycle is necessarily less efficient than is theoretically possible.
• Such changes inevitably ( or are bound to ) occur at the plate-making stage.
• The volume of the open-hearth furnace is insufficient to contain all the charge in the form of cold metals and the charge of scrap must of necessity be spread over a period of time.
• Physical and nervous disorders which almost unfailingly accompany infectious diseases ...
• Their distinctive features cannot help but contribute greatly to the overall picture.