Calculus
Used most famously by Barack Obama, it means that your decision -making process has changed because of new information. The US “changed its calculus” on Syria when it learned about chemical weapons.
歐巴馬使其成為國際政治用語,表示基於新的情報,而改變決策。
美國得知敘利亞的生化武器,而改變對敘利亞的政策。