1.crucial to a.關鍵性的,極其顯要的
Talent, hard work and sheer tenacity are all crucial to career success.
事業要成功,才能、勤奮和頑強的意志都至關重要 。
It is crucial that all documents presented are authentic and easily verifiable.
所有提交的文件必須真實且易于查證,這一點很關鍵 。
2.confine to 限于…之內
Doctors confine themselves to prescribing rather than dispensing.
醫生僅僅是開藥而不配藥 。
Doctors are trying to confine the disease within the city.
醫生正試圖將此病控制在城內 。