
中啊想高分先唔會揀C17DSE拎5表示唔應該讀選修CC根本冇撚用
係教畜為左學生高分先揀
係為左易合格先會揀C
另外好多教畜鍾意hea教/無料咪教C
三年換左三個老師
有料兩個教頭兩年,然後老屎忽領功
我想問下個er diagram唔係應該有四個實體咩?<img src="https://img.eservice-hk.net/upload/2018/04/05/003048_d0b3244693f743a542dc6a84b8f5ae22.jpg" />
但係點解marking係咁畫?![]()
<img src="https://img.eservice-hk.net/upload/2018/04/05/003220_d0b3244693f743a542dc6a84b8f5ae22.jpg" />