难句翻译

Smart cards, which can carry as much as 80 times more information on them than conventional(传统的)cards with a magnetic stripe(磁条), are already widely used in European countries where centralized banks can roll out new services on a nationwide basis．

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I won’t spend a penny on such kind of things．

I’ve spend all my effort on this．

We spent much time in explaining the plan．

He may have passed the text．If so, he would be wild with happiness now．

I’ll surely attend the party if invited．

Turn to our teacher for advice if necessary．

Come here early if possible．

I seldom go to the movie if ever．

What about dividing it into two halves?

I’ll be busy on Wednesday．What about Friday?