我们偶尔会去那家咖啡馆喝下午茶。

We visit that café for afternoon tea on ___occasional weekends.

她只在重要场合偶尔佩戴那条珍珠项链。

She only wears that ___occasional pearl necklace for important events.

这家咖啡馆偶尔会请兼职服务员来帮忙。

This cafe hires ___occasional servers to help during busy hours.