a second pair的用法和样例：
- You will need a second pair of shoes.
- She is looking for a second pair of shoes.
- I keep a second pair of sandals in my office.
- I really must buy a second pair of shoes; and the next year shall do my best to buy a third.
- I wouldn't hesitate to bring it along as a second pair of pants if inclement weather is expected.
- The second pair is a better fit, but he does not like the colour.
a second pair的相关资料：
ajowan a a person suffering from amnesia. A go-ahead marketing strategy. a temporary shutoff of electricity A student of great capabilities. a blank expression/face/gaze A thousand more regrets unraveling A Research into Door-god Culture a faithless friend/wife/ally A Oneness Marriage needs wisdom. A bidirectional matching algorithm