六、“side”与“aspect / dimension”

sideWe should consider all sides of the problem.
aspectThere are many aspects to consider when buying a house.
dimensionAnother dimension of this issue is the cultural difference.
七、“part”与“proportion”

partThis part of the book is very difficult to understand.
proportionA large proportion of the students passed the exam.
八、“so”与“therefore”

soIt was raining, so we decided to stay at home.
thereforeShe missed the bus, therefore she was late for school.
九、“because”与“in that”

becauseHe didn't come to the party because he was ill.
in thatI like this city in that it has a rich cultural heritage.
十、“at last”与“eventually”

at lastAt last, we reached the top of the mountain.
eventuallyEventually, he achieved his dream.