A: Could you lend some money to me again? B: Nope, no way! You should return me the money borrowed from me last time, or you'll put the cart before the horse. -请再借一些钱给我好吗？ -不，不行！你应该把上回向我借的钱还给我，否则你就本末倒置了。
Li goes to Sho's house Li: What are you doing? Sho: Just reading about Europe. Li: Does it mention Paris nightclubs? Sho: Actually, I'm reading about churches in Paris. Li: We can't meet boys in churches. Sho: You have such a one-track mind! We'll have plenty of time to do both. Li: You're right. I'm so excited! Sho: This is my first time leaving Taiwan. I wish Zhixiong could come. Li: Bring your boyfriend! Are you crazy? Sho: Of course I'd bring him.
While more research is needed, Wolverton says the study has shown that common indoor landscaping plants can remove certain pollutants from the indoor environment. "We feel that future results will provide an even stronger argument that common indoor landscaping plants can be a very effective part of a system used to provide pollution free homes and work places," he concludes.
after是介词，后面必须接名词、代词或动名词： Don't bathe immediately after a meal／after eating． 不要饭后／吃饭后就游泳。 Don't have a meal and bathe immediately after it． 不要就餐之后立即游泳。
如果我们不想用名词、代词或动名词，就不能用after，但可以用 afterwards（= after that）或者 then： Don't have a meal and bathe immediately afterwards． （译文同上） They bathed and afterwards played game／played games afterwards．／ They bathed and then played games． 他们游了泳，然后做游戏。
afterwards可以位于句首或句末并且可以由soon，immediately，not long等修饰： Soon afterwards we got a letter． 不久之后我们收到了一封信。 We got a letter not long afterwards． （译文同上。） after也可以作连词用： After he had tuned the piano it sounded quite different． 他给钢琴校过音之后，钢琴的声音完全不同了。