happen to have; there happens to be
当然你可以后面正好有一个装满的浴缸
Of course you can—there’s a full bathtub right behind you.
— 西部往事 (1968)
她又正好有东西要送
She also happened to have something to send.
— 魔女宅急便 (1989)
斯宾塞港没有书店,”我说,“而且我好像正好有间店面需要填满。
“There’s no bookstore in Port Spencer,” I said, “and I happen to have a storefront that needs filling.”
我正好有五卢布所以我能送你一程
I happen to have five rubles, so I can give you a ride.
— 莫斯科不相信眼泪 (1980)