Bialternant
[数]双交替式
🗣️ 情景例句
Is it all right if I use a letter of credit?
如果我使用信用证，没关系吧？
Poor health may be a bar to success in life.
健康不佳可能成为人一生中取得成功的障碍。
and maybe that is where the rub is.
问题的症结恐怕就在这里。