spare test piece

例句：

1. 1. We need to spare some time for our family.
   我们需要为家庭留出一些时间。
2. 2. The car is too old and needs to be spared.
   这辆车太旧了，需要修理。
3. 3. She spared no effort in her studies.
   她在学习上毫不懈怠。