Wpi
世界专利索引
🗣️ 情景例句
Surprise.
惊喜。
A heavy purse makes a light heart.
腰包钱财足，心境自然宽。
But the competition of man against man is not the simple process envisioned in biology.
但是，人与人的竞争并不像生物学中想像的那样是一个简单过程。