从开发内容的角度看，系统设计可以划分为______设计和物理设计两个层面。
参考答案：逻辑
She understood what I was talking about, ____ it was the first time we had spoken together.
A．whether
B．as if
C．even if
D．Since
“We will offer you 100 Yuan for immediate necessities”译成中文是“（）”
