to think of the source of getting rich and of making progress
Related Translations:
思: Ⅰ动词1.(思考;想) think; consider; deliberate 短语和例子多思 think more; 前思后想 think over again and again; 你在走这一步之前, 应当三思。 you must think twice before you take this step.2.(思念; 怀念) think of; long for 短语
