C2 used to introduce a reason for something
中文解释
首先;一方面 \"Why won\'t you come to New York with me?\" \"For one thing, I don\'t like flying, and for another, I can\'t afford it.\" “你为什么不跟我到纽约来?”“首先,我不喜欢坐飞机;再者,我买不起机票。”
首先;一方面 \"Why won\'t you come to New York with me?\" \"For one thing, I don\'t like flying, and for another, I can\'t afford it.\" “你为什么不跟我到纽约来?”“首先,我不喜欢坐飞机;再者,我买不起机票。”