(No Transcripts here) President Obama says the decision to send the reinforcements is designed, in part,to seize the initiative from the Taliban, which has been gaining ground in recent years.

VOA: standard.2009.12.08

Behaviorism looks at the human entity, at the person as basically a collection of behaviors as a box, like a billiard ball knocked around by reinforcements, by punishment, by reward.

行为主义认为人的主体性，认为人是一个行为集合，就像一只被击打而四处滚动的台球，被增强，奖惩驱动。

哈佛公开课 - 幸福课课程节选

So we are kind of... using more like positive and negative reinforcements and

所以我们就……更多地使用积极强化和消极强化，

体罚是不可取的 - SpeakingMax英语口语达人

Ugandan Minister of Defense, Crispus Kiyonga, said the African Union force, composed of 2,590 Ugandan troops and 1,600 from Burundi, has so far been able to defend the transitional government's state house, Mogadishu port and airport, but said reinforcements to al-Shabaab have created a difficult situation.

VOA: standard.2009.06.26