painstaking research的用法和樣例：
例句
- The skillful repair of fine lace entails slow and painstaking work.
對精緻花邊的熟練修補需要緩慢而極度細心的工作。 - 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.
農民的經濟是分散的，根據蘇聯的經驗，需要很長的時間和細心的工作，才能做到農業社會化。
