The quantities of each element type will be handy tools for estimating the total effort required.
每种元素类型的数量对于估计所需的总工作量将是便利的工具。
2
Total return swaps — a type of derivative that lost favor during the crisis — are among the instruments regaining popularity, bankers and investors say.
银行家和投资者说，总收益掉期是重获青睐的工具之一，这类衍生品在危机期间受到了冷落。
3
It also gives the total number of instances of that particular type, which allows for some primitive calculations and guesses about relative cost per instance.