Sometimes, it’s good to get three pairsofscissors if you use them frequently in three different rooms.
有时,如果你经常在不同的地方用剪刀,为每个地方配一把剪刀是合适的。
3
The poor quality and the low efficiency of agriculture constitute the economic root of the gap, while "three pairsofscissors and one wide gap" is the policy root of the gap.