wheels within wheels的用法和樣例：
例句
用作名詞 (n.)
- The view state is contained in a structure within the page code.
視圖狀態包含在頁代碼內的結構中。 - Like Darwinian evolution, cosmic expansion provides the context within which simple structures form and develop over time into complex structures.
宇宙的膨脹就像達爾文的演化論，對於簡單的結構如何逐步發展形成複雜的結構，提供了可循的脈絡。
