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
Welcome.
欢迎你。
'Tis a good horse that never stumbles.
好马不失蹄。
There's plenty more.
还有很多呢！