painstaking research的用法和样例：
例句
- The skillful repair of fine lace entails slow and painstaking work.
对精致花边的熟练修补需要缓慢而极度细心的工作。 - The peasant economy is scattered, and the socialization of agriculture, judging by the Soviet Union's experience, will require a long time and painstaking work.
农民的经济是分散的，根据苏联的经验，需要很长的时间和细心的工作，才能做到农业社会化。
