1.A consumer watchdog in the UK has reported that many Internet sites are full of fake reviews.
be full of充滿;橫生
The future seems to be full of hope.
前途看來充滿希望 。
2.Others offered money, free samples or upgrades in exchange for five-star reviews.
in exchange for交換
Tom gave Helen an apple in exchange for a piece of cake.
湯姆用一個蘋果與海倫換一塊蛋糕 。