影响和参与 - 之所以

used when one wants to explain how a series of events made something happen without giving away many details

(of an action or decision) to allow for many possibilities, particularly those that were previously unavailable

to create a situation in which it is easier for one to do something or for something to happen

to be the direct cause of something, particularly something unpleasant

to be heavily dependent on someone or something

with no particular or apparent reason

to figure out why things are the way they are and be able to identify the reason

used to refer to where the all the trouble comes from or where things get difficult

the strong belief of someone being responsible for or guilty of something

a situation in which one finds it impossible to determine which one of two things is responsible for the occurrence of another or existed before the other one did

to blame someone or hold them accountable for something bad that has happened

to do something that makes it possible or easier for something else to occur

to cause the development of a particular idea or feeling