complimentary
US /ˌkɑːm.pləˈmen.t̬ɚ.i/
UK /ˌkɑːm.pləˈmen.t̬ɚ.i/

1.
2.
免費的, 贈送的
given or supplied free of charge
:
•
Guests receive a complimentary breakfast.
客人可享用免費早餐。
•
The hotel offers complimentary Wi-Fi to all its guests.
酒店為所有客人提供免費無線網絡。
免費的, 贈送的
given or supplied free of charge