No doubt the ability to talk about one's past represents memory of a different level of complexity than simple recognition or recall.
毫无疑问，谈论一个人的过去的能力代表了一种和简单的认知或回忆复杂程度不同的记忆。
2
In the past, doing the timetabling was quite simple but now we have a lot more courses and what's made it complicated is that many of them have options.
The Amish are often perceived by other Americans to be relics of the past who live a simple, inflexible life dedicated to inconvenient out-dated customs.