Statins block a crucial step in this decalcification process.

他汀药会阻止“脱钙过程”某个关键步骤的发生。

But complexity blocks all three steps.

但是复杂性阻碍了所有这三个步骤。

When they can block each step I take?

还怎么继续我的梦？

To turn caring into action, we need to see a problem, see a solution, and see the impact. But complexity blocks all three steps.

为了将关心转变为行动，我们需要找到问题，发现解决办法的方法以及评估后果。但是世界的复杂性使得这三步都难于做到。

He could not escape it; politics or science, the lesson was the same, and at every step it blocked his path whichever way he turned.

他无法逃避。 政治或科学， 教训是一样的， 每一步都挡住了他的去路。

" ... we've managed to identify a critical step in the process and are now testing a new class of drugs which should specifically block this step and stop the disease."

“.......我们已经发现导致这种病的一个关键过程，并正在测试一种可以阻止该过程发生且治愈该疾病的新药。”