Oeo
abbr. 经济机会局（Office of Economic Opportunity）
🗣️ 情景例句
Hi.
嗨。
It is easy to be wise after the event.
当事后诸葛亮容易。
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。