YOU SAID:

Metro stations are very dificult and complex to plan and build

INTO JAPANESE

地下鉄駅の計画と建設は非常に困難で複雑である

BACK INTO ENGLISH

Planning and building a subway station is very difficult and complex.

INTO JAPANESE

地下鉄駅の計画と建設は非常に困難かつ複雑です。

BACK INTO ENGLISH

Planning and building a metro station is extremely challenging and complex.

INTO JAPANESE

地下鉄駅の計画と建設は非常に困難かつ複雑です。

BACK INTO ENGLISH

Planning and building a metro station is extremely challenging and complex.