| 1 | His design concept is ahead of the times. | |
| 2 | We need to understand the differences between these two concepts. | |
| 3 | Straight lines and curves are two fundamental concepts in geometry. | |
| 4 | Nonlinear motion is an important concept in physics. | |
| 5 | We need to understand the concept of exponentials to make sense of this equation. |
Copyright © Purple Culture Co., Ltd. 2001 - 2026. All right reserved.
