Bilateralism
n. 互惠主义\\n[医] 两侧对称
✅ 同义词
📖 牛津释义
bilateralism
n [U] principle based on bilateral agreements between countries, esp in trade and finance 根据两国间双边协议的原则（尤指於贸易与金融方面）.
🗣️ 情景例句
Thank you.
谢谢你。
I got your back.
放心！
So I will receive and sign it overnight.
那么，我明天就可以收到并且签上名了。