1. They can bring egg and sperm together artificially and dispose of any affected baby before placing it in the mother, or before birth — though that might be objectionable, too. 他们也可以人工授精,然后在将受精卵植入母体之前,或在生育之前,放弃有遗传缺陷的胎儿——尽管这也可能引起反对;
2. Drinks can be cooled by placing them on ice rather than adding ice to them. 可以把饮料置于冰块之上来冷却,而不是把冰块加进饮料之中。
3. Placing a pillow between her legs, I notice that these too are ice cold, and not until I run my hand up over her knees do I feel any of the life-giving warmth of blood. 当我把枕头放在她两腿之间时,发现它们也是冰凉的,直到把手移到她膝盖以上的部位,我才感受到血液供给生命的热度。