Orsi
abbr. Operations Research Society of India 印度运筹学学会
🗣️ 情景例句
Mm-hmm, hmm, uh-huh.
Mm-hmm,hmm,uh-huh。
We should weep for men at their birth and not a t their death.
我们应在人降生时流泪，而不该在人死亡时哭泣。
I'm looking at the blackboard.
我在看黑板。