1. The infant may be responding to aspects of the stimulus different than those identified by the investigator. 婴儿对刺激产生反应的方面可能与研究者发现的那些不同。
2. Heart and respiration monitors provide the investigator with the number of heartbeats or breaths taken when a new stimulus is presented. 当新的刺激出现时，心脏和呼吸监测仪为研究者提供其心跳或呼吸的次数。
3. What they found provided their investigator with a solid lead. 他们找到的东西给他们的委托调查者提供了确实的线索。
4. Become an investigator of what you can observer about each point. 成为一个侦查员：侦查你在每一点上你所观察到的。
5. When their investigator confronted him, the "fiance" stonewalled. 当他们的私家侦探去找德牧对质时，那个“未婚夫”采用回避的态度。
