that is to say
01
つまり, 言い換えれば
used to introduce an explanation or clarification of a point just made
Collocation
例
The project must be completed by the end of the month, that is to say, within the next two weeks.
プロジェクトは今月末までに、つまり次の2週間以内に完了しなければなりません。
He enjoys outdoor activities, such as hiking and camping — that is to say, he prefers to spend time in nature.
彼はハイキングやキャンプなどのアウトドア活動を楽しんでいます—つまり、彼は自然の中で時間を過ごすことを好みます。
