We need to make sure that we're a little bit suspicious, that we understand that optimism is in the DNA of the military, that we don't respond to it with quite as much alacrity.
慎重になって考え、 楽観主義というのは、 軍隊のDNAにしみこんでいると思わねばなりません。 そして、そうした楽観主義にすぐに 応じてはいけません。