英语语法分析

She drew them when she should have been totting up.

她在本该算数的时候把它们画了出来。

To be fair, totting up counterparty risk is not easy.

公正地说，将竞争者的风险加起来并不容易。

The final cost also depends on when the totting-up is done.

最终花销也取决于什么时候清算能够完成。