a one-sided race的用法和样例：
- Our garden is bordered on one side by a stream.
- Hedging in a one side market is dangerous as a lot of working capital would be utilised just to keep your positions going on.
- The type set for printing one side of a leaf.
- The deer was peppered with shot all down one side.
- To cause(a ship) to lean to one side; tilt.