1. Our keen-eyed observers will also notice that we can see the car's aggressive rear diffuser peeking through a mesh screen. 敏锐的眼睛观察员也注意到，我们可以看到汽车的后部扰流侵略性窥视通过网格画面。
2. If the nearer star has orbiting planets, keen-eyed observers can spot the subtle clues of their presence in the magnified light. 如果接近恒星轨道旋转的行星，眼尖的观察员能发现他们在放大光存在的细微线索。
3. Keen-eyed merchants are old hands at spotting these clipped coins, and will charge higher rates to accept such dubious looking currency. 眼神利落的商人是鉴别这些缺斤少两的货币的老手，并会对这些看起来真假不明的货币索要高价来出售同样的货物。
