That sign languages may be full-blown languages but they just take--they're just harder to learn because the brain and the body have adapted for speech.

手语或许是成熟的语言,但它们更难学,因为大脑和身体已经适应了口语

耶鲁公开课 - 心理学导论课程节选

Other people would argue, "No. A woman has full freedom over her own body and as long as a fetus is within the body they--she has a right to control it."

其他人可能会说，“不，女人有控制她们身体的自由,只要胎儿是在她体内,她就有权去控制它”

耶鲁公开课 - 心理学导论课程节选