What do you think is the most serious problem in the world?

I think environmental problems are the most serious world problems. It should not be overlooked that man is infinitely small in the presence of nature. It is time to actively work on developing technologies that respect nature.

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 B. Make these sentences into English.

-저는 환절기에 기침을 많이 해요.

I cough a lot in-between seasons. ---> I cough a lot when the seasons change.

=> Another way: Your sentence is okay and this is another way of saying it.

-나를 꽉 안아 줄래요?

Give me a big hug. ---> Why don't you give me a big hug?

=> Another way: Your sentence is okay and this is another way of saying it.​

-그들은 반군을 몰아내기 위해 군사력을 동원했다.

They brought military power to repel the rebels. ---> They used military force to take out rebels.

​=> Another way: Your sentence is okay and this is another way of saying it.​