learning curve #2
北朝鮮は金日成主席生誕105年パレードの中で，自国に対する挑発行為を続ける場合は，核兵器の使用もありえるという声明を出しました。
記事の中で気になった表現は"learning curve"です。『Wisdom英和辞典第三版』(三省堂)には「学習曲線」という意味がありました。管理会計の分野でも，望ましい製品原価(標準原価)を算定する際に，作業者の学習曲線を考慮して原価が決定されます。(Ume)
North Korea 'ready for nuclear attack' amid show of force
North Korea has warned the US not to take provocative action in the region, saying it is "ready to hit back with nuclear attacks".
The comments came as North Korea marked the 105th anniversary of the birth of its founding president, Kim Il-sung.
A huge parade in Pyongyang was held amid speculation current leader Kim Jong-un could order a new nuclear test.
Among the hardware on display appeared to be new intercontinental and submarine-launched ballistic missiles.
The show of strength comes amid mounting tension, with a US aircraft carrier group steaming towards the region.
Trump's steep learning curve
Read more about North Korea's missile programme
"We're prepared to respond to an all-out war with an all-out war," said Choe Ryong-hae, believed to be the country's second most powerful official.
