in case (sth happens)一旦 … then / just就 … to set设定一个to trigger触发condition条件 —— “in case (sth happens)一旦(something某事to happen发生),like that那么(随之而来(modifier / structural particle)的to be / is是consequences后果)”。it它to point towards指向future未来maybe / possible可能(modifier / structural particle)的turning point转折点。不同于 one / a一…then / just就…(to link连接两个to follow immediately…紧接to happen发生(modifier / structural particle)的true真实event事件),in case (sth happens)一旦 框定(completed / change)了一个hypothetical假设性doorstep门槛。
Structure: 一旦 + Condition ,(Subject) 就 + Consequence
some有些people人the moment一旦they have有了money钱then,就change变了。
some有些人一well-off有钱then / just就to turn hostile suddenly变脸。
once一旦your你的company公司goes public上市you,你then就can可以become变成rich有钱人。
in case (sth happens)一旦you你(modifier / structural particle)的company公司to hit the market (of a new…上市,you你then / just就can / will会to get rich发财。
to remember记住: in case (sth happens)一旦 = “if如果/whenever每当 X to happen发生(like that那么……)” —— 这是一个hypothetical假设性doorstep门槛。to contrast对比 one / a一…then / just就… (HSK 4),it它to desire将两个reality实际event事件inseparably close紧密to link相连((used after a verb) give it…一下subject课then / just就to walk走)。in case (sth happens)一旦 to point towards指向maybe / possible可能(modifier / structural particle)的future未来;one / a一…then / just就… to report (news)报道true真实(modifier / structural particle)的to be related关联。
Watch out
- in case (sth happens)一旦 to relate to关乎一个maybe / possible可能(modifier / structural particle)的future未来turning point转折点 —— don't不要to use in用于customary习惯性connection联系maybe或already已to happen发生(modifier / structural particle)的event事件(that那to be / is是 one / a一…then / just就… (modifier / structural particle)的usage用法)。