1、I got this cool t-shirt as a freebie from the event.
我从活动中获得了这件很酷的T恤，是个免费赠品。
2、She loves to attend conferences because she always manages to feebe some useful gadgets.
她喜欢参加会议，因为她总能得到一些有用的小玩意儿作为免费赠品。