数学的本质在于其自由性。
你的梦想实现不了是因为我。
The past is a shadow that follows us, but it is up to us to decide whether it will darken our future.
译文:听取多方面的意见才能明辨是非,只听信一方面的话就会分不清是非。
Customer needs are always the primary driver of technological evolution.