重點講解：
1. keep sb. informed 使某人不斷獲悉最新發展情況、消息等；
例句：We would like to keep you informed via email about product updates, upgrades, special offers and pricing.
我們希望通過郵件及時通知您關于產品更新、升級、特價或定價方面的信息+gO.iF..Px=PslO|2nP。
2. be similar to 相像的；相仿的；類似的；
例句：The exercise period was similar to the previous study.
運動周期類似前面的研究4Jz2P|esR_。
3. focus on 集中（注意力）；關注；
例句：We're going to focus on the relationship between freedom and necessity.
我們將集中討論自由和必要性之間的關系這一問題RSgiNt+^&!|.。
4. be due to do sth. 按理該做某事；按期;預定要做某事；
例句：He is due to face a court-martial on drugs charges.
他將因毒品交易的指控受到軍法審判u@gTK8b-O0。
5. contribute to （為…）做貢獻；
例句：Everybody should contribute to the discussion.
每個人都要參加談論-M8D=dZN)999v。