Ona yardım etmen gerek. - You're required to help them.
Ona yardım etmen gerek.
You're required to help them.
Tüm yolcuların biletlerini göstermeleri gerekir. - All passengers are required to show their tickets.
Tüm yolcuların biletlerini göstermeleri gerekir.
All passengers are required to show their tickets.
... we're ensuring computer security, which is required to ...