Ka kakaretso, fa o batla go nna mo lefatsheng le e seng la gaeno ka lobaka lo lo leele, o tla tshwanela ke go dira lekwalotetla la boagi nako e sale teng. The previous text is in Tswana. Here is a translation to Chinese (Traditional):
通常，若要在外國居住一段較長的時間，你必須事先取得簽證。