Phase A：瀏覽器語音辨識＋逐詞比對。建議安靜環境；辨識可能經瀏覽器雲端處理。
第 1 / 10 句
Target sentence · grammar-passage:grammar-15-articles-a-an-the-zero-article
Interest rates moved after the Fed spoke, which changes how far we can stretch.
聯準會發言後利率動了，也改變我們能拉伸的幅度。
提示：文法短文｜冠詞 a / an / the / 零冠詞