a shade better的用法和样例：
- The new model is a shade better than the old one.
- This describes patients who are a shade better off than those in a vegetative state, because they show fluctuating signs of awareness.
- Fear for others is only a shade better than fear for ourselves.Moreover it is very often a camouflage for possessiveness.
- I am a shade better today.
- I think it's a shade warmer today.