1. 或者 (huò zhě) - This is the most common and general way to say "or".
* Example: 你喜欢咖啡 或者 茶？ (Nǐ xǐhuan kāfēi huò zhě chá?) - Do you like coffee or tea?
2. 还是 (hái shì) - This is used when you're presenting two options and asking for a choice.
* Example: 你要吃苹果 还是 香蕉？ (Nǐ yào chī píngguǒ hái shì xiāngjiāo?) - Do you want to eat an apple or a banana?
3. 亦 (yì) - This is a more formal and literary way to say "or".
* Example: 他 亦 能说英文。 (Tā yì néng shuō yīngwén.) - He can also speak English.
4. 抑或 (yì huò) - Similar to "亦", this is a more formal and literary way to say "or".
* Example: 你是学生 抑或 教师？ (Nǐ shì xuésheng yì huò jiàoshī?) - Are you a student or a teacher?
5. 要么...要么... (yào me... yào me...) - This is used to express a choice between two possibilities. It can be translated as "either...or...".
* Example: 你要么去图书馆，要么去公园。 (Nǐ yào me qù túshūguǎn, yào me qù gōngyuán.) - You can either go to the library or the park.
The best way to use "or" in Chinese depends on the specific context and your desired level of formality.