simple number

例句：

1. 1. The simple designof the house is very appealing.
   房子的简单设计非常吸引人。
2. 2. She prefers simplemeals over elaborate dinners.
   她更喜欢简单的餐食而不是复杂的晚餐。
3. 3. Thenew software is designed tobe simple and easy to use.
   这款新软件旨在简单易用。