1. 首先：然后下分为两点来说:第二句说公交车是公共交通工具,应该首先(in the first place)满足人的需求. 第三句话说养宠物并不被禁止,但是带宠物上公交车,即使不是无修养的和非法的,也是不合适和不礼貌的. 该句中的难点是if not的用法,
2. 起初,首先：in place of 代替 | in the first place 起初,首先 | in the last place 最后
3. 起初,本来;首先：in place of 代替 . | in the first place 起初,本来;首先 . | out of place 不相称;不合适 .
4. 首先,第一点：124、in the face of 面对;即使;在...前面 | 125、in the first place 首先,第一点 | 126、in the future 将来
adv
1. of primary import
e.g. this is primarily a question of economics
it was in the first place a local matter
Synonym: primarily
2. before now
e.g. why didn't you tell me in the first place?