책에
In the past, many upgrades involved people switching from a basic cell phone to a smartphone.
이런 문장이 있는데 switch가 왜 switching 형태로 쓰인거양..?ㅠㅠㅠㅠ
책에
In the past, many upgrades involved people switching from a basic cell phone to a smartphone.
이런 문장이 있는데 switch가 왜 switching 형태로 쓰인거양..?ㅠㅠㅠㅠ