block effect

例句：

1. 1. The new policy has a significant block effect on the market.
   新政策对市场产生了显著的阻碍效应。
2. 2. The researcher found that the block effect could be reduced by increasing the sample size.
   研究者发现，通过增加样本大小可以减少阻碍效应。
3. 3.The block effect is often used to explain why certain behaviors persist despite changes in circumstances.
   阻碍效应常被用来解释为何某些行为在情况发生变化后依然持续存在。