3/3 The OO made it possible, and this exercise shows why this functionality is critical to Web3.
3/3 OO使之成为可能，本练习说明了为什么此功能对Web3至关重要。
3/3 The OO made it possible, and this exercise shows why this functionality is critical to Web3.
3/3 OO使之成为可能，本练习说明了为什么此功能对Web3至关重要。