词汇是
now that 既然已经发生
释义
You use now or now that to indicate that an event has occurred and as a result something else may or will happen.
例句
Now that the debate is finally over, we need to act quickly before situation worsens.
GRE
Ironically, now that photography is securely established as a fine art, many photographers find it pretentious or irrelevant to label it as such.
具有讽刺意味的是，现在因为摄影已经牢牢贴上了艺术品的标签，许多摄影家认为这种标签无比虚伪，或者是与摄影本身毫不相关。