under the usual competitive conditions

例句：

1. 1. The tree is growing under the shade of a big rock.
   这棵树生长在巨石的阴影下。
2. 2. He sat under the table and started to eat his lunch.
   他坐在桌子下面开始吃午饭。
3. 3. The car was parked under the bridge.
   汽车停在桥下。