本日、お手伝いとはいえ、OB会の諸業務がたくさんありました。
6時間ほど業務に集中し、私は久しぶりに達成感を味わいました。
Today, even though I was helping out, I had a lot of various duties to perform for the OB Association.
After six hours of concentrating on business, I enjoyed a sense of accomplishment for the first time in a long time.