This is my treat.

这次由我请客。

《新英汉大辞典》

"My treat,'' Jenny said, pulling out her wallet.

“我请客。”珍妮说着，拿出了钱包。

youdao

It's my treat this time.

这次我请客。

youdao

"My experience and other doctors in the field talk about the holistic, comprehensive care that's required to treat a fibromyalgia patient, and that requires time.

VOA: special.2011.07.26

In Taipei, an acupuncturist twirled her needles in my left knee to treat the pain in my right shoulder.

NPR: Excerpt: 'The Healing Of America'

Some people think I am my body and treat me with prejudice or pity.

NPR: I Am Not My Body

This might be true for some, but I wanted to treat my readers the way I wanted to be treated.

BBC: How I quit my job to travel: The corporate lawyer