I bought a cup and saucer from a china shop.

我从一家瓷器店购买了一套杯碟。

I Bought a cup and saucer from a china shop.

我从一家瓷器店购买了一套杯碟.

I bought a cup and saucer for myself yesterday.

昨天我为自己买了一只附有托碟的茶杯。