みお見落mioとすtosu
1.
To not notice something significant while being aware of it, often due to a momentary lapse in attention or focus.
2.
To unintentionally fail to observe an error or important detail despite having the opportunity to do so.
3.
To neglect to recognize something important while observing the surrounding information or context.
Example:
アメリカ人は何を見落としているのだろうか。