How to say hi and bye in English?
How to say hi and bye ("hallo und tschüss") in German?
How to say hi and bye ("salut et au revoir") in French?
How to say hi and bye ("hola y adiós") in Spanish?
How to say hi and bye ("ciao e ciao") in Italian?
How to say hi and bye ("你好,再见") in Chinese?
How to say hi and bye ("안녕 안녕") in Korean?