Discretional
a. 自由决定的, 任意的
✅ 同义词
🗣️ 情景例句
Are you going to attend graduate school?
你想读研吗？
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
Thank you. Goodbye!
谢谢您。再见！