是Time has passed 还是Time has passed by 两个都正确吗?如果是有什么不同?

是Time has passed 还是Time has passed by 两个都正确吗?如果是有什么不同?

两个都行.
只是有 by 的话 就会强调''过去''..''已经''的意思...
eg.
The time has passed so quick
(时间过得如此之快)
和
The time has passed by so quick
(时间已经过去了这么快)
希望能帮到你...=)

both

Time has passed by