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Find them out and replace the underlined parts in the sentences with those expressions .

You can go sightseeing and experience the surrounding environment ,and the headsets even have small openings that give out smells. (L.20)

send out

B. People with social problems or disabilities can do things that they can’t do in reality in the convenience of the VR studio. (L.33-34)

with the help of

Realcine is an extraordinary product. It deserves to be developed further. (L.5)

is worthwhile to develop it