1. Our superior technology is our ace in the hole. 我们的优越技术是我们手中的王牌。
2. By now I was an ace at driving on the left. 现在我已经是靠左行驶的高手了。
3. He knows something about the boss, which is his ace in the hole. 他对老板有所了解,这是他的王牌。
4. A significant number of complex repair jobs carried out by Ace Repairs have to be reworked under the company's warranty. 由 Ace 维修公司进行的大量复杂维修工作必须在公司的保证下重新进行。
5. Apple and other tech companies hold another ace: the technical means to keep making their devices more and more inaccessible. 苹果和其他科技公司还有另一张王牌:拥有使设备越来越难以被入侵的技术手段。