三十六、“helpful”与“beneficial / rewarding”

helpfulThis book is very helpful for my study.
beneficialVolunteering is beneficial to both the society and individuals.
rewardingTeaching can be a very rewarding job.
三十七、“many”与“numerous / a large number of / a host of / an army of / a sea of / a multitude of”

manyThere are many books in the library.
numerousThere are numerous stars in the sky.
a large number ofA large number of people come to this city every year.
a host ofA host of problems need to be solved.
an army ofAn army of volunteers joined the activity.
a sea ofThere is a sea of people at the concert.
a multitude ofA multitude of factors affect the economy.
三十八、“some”与“quite a few / several”

someThere are some apples on the table.
quite a fewQuite a few students like this subject.
severalThere are several reasons for this phenomenon.
三十九、“People think (that)…”与“It is considered/thought/believed/said/recognized/agreed/accepted that…”

People think (that)…People think that education is very important.
It is considered/thought/believed/said/recognized/agreed/accepted that…It is considered that environmental protection is everyone's responsibility.
四十、“I think…/ In my opinion…”与“I reckon…/ In my view…/ I hold the view that…/ For my part, …/ From my own perspective, …/ From my standpoint, …/ It seems to me that…/ All things considered…/ If you ask me…/ To my mind, …/ As far as I'm concerned, …/ personally, …/ To tell you the truth, …/ To be honest, …/ To be frank, …/ Frankly speaking, …”

I think…/ In my opinion…I think this movie is very interesting. / In my opinion, this movie is very interesting.
I reckon…/ In my view…/ I hold the view that…/ For my part, …/ From my own perspective, …/ From my standpoint, …/ It seems to me that…/ All things considered…/ If you ask me…/ To my mind, …/ As far as I'm concerned, …/ personally, …/ To tell you the truth, …/ To be honest, …/ To be frank, …/ Frankly speaking, …I reckon this book is worth reading. / In my view, this book is worth reading. / I hold the view that this book is worth reading. / For my part, this book is worth reading. / From my own perspective, this book is worth reading. / From my standpoint, this book is worth reading. / It seems to me that this book is worth reading. / All things considered, this book is worth reading. / If you ask me, this book is worth reading. / To my mind, this book is worth reading. / As far as I'm concerned, this book is worth reading. / personally, this book is worth reading. / To tell you the truth, this book is worth reading. / To be honest, this book is worth reading. / To be frank, this book is worth reading. / Frankly speaking, this book is worth reading.