a bit at a time的用法和樣例：
例句
用作形容詞 (adj.)
- Ongoing improvement depends on small steps, relies on conventional common sense, pays great attention to process, and teases out results in small doses over time.
而持續改進則是依靠傳統常識一小步一小步地進行的，而且非常關注過程，通過持續的小規模變革來達到目標。 - The guests were seated at the table when their host strode in with a platter, holding the biggest flounder they'd ever seen.
客人已在餐桌邊就座完畢，這時主人大步地走進來，手裡端著一個托盤，托盤上是一個他們所見過的最大的比目魚。
