主要内容：

1. Principle Principal
The principal reason for this omission is lack of time.
2. Angel Angle
We need a new angle for our next advertising campaign. What’s your angle？
3. Vision Version
Cats have a good night vision. She gave us her version of what had happened that day.
4. Scare Scarce
food was becoming scarce.
5. Bald Bold
The wine made him bold enough to approach her.