1. The old system was more of a piling system, meaning piling everything on my desk-a very good way of organization.
    那个说到底只是个堆积系统，就是把什么都堆放在我的桌子上--只是安排得还算不错。

2. He also asked him to work out a better rule for leap years to prevent the piling up of error in future.
    他还叫他为闰年制定出一个更好的规则，以防止将来误差的累积。

3. Since then, every society has had to figure out what to do with its waste — something that is usually unhealthy, smelly, and ugly — throwing garbage in the streets, piling it up just outside of town, building it into structures or simply setting it o
    此后，每个社会都要想办法解决垃圾问题——处理那些通常是有害的、难闻的、难看的东西——要么把垃圾扔到街上，要么堆在城外，要么掺在建筑结构里，要么干脆付之一炬。