每日钉一下（不换工作，有哪些方式可以提高工作收入呢？）

Group 1 - Many investors aim to diversify their funds, covering both RMB and foreign currency assets, as well as stock and bond assets [1] - Dollar bonds are an important component of this diversification strategy [2] Group 2 - There is a limited-time free course available that systematically introduces investment knowledge related to dollar bond funds [2] - Interested individuals can add the "Course Assistant" and reply with "Dollar Bond" to access the course [3]