Искать
that is to say
01
то есть
used to introduce an explanation or clarification of a point just made
Пример
The event will take place next Friday, that is to say, on the 20th of May.
The project must be completed by the end of the month, that is to say, within the next two weeks.
The software update will enhance security features, that is to say, it will improve protection against cyber threats.