up to now
例子
The company has been successful up to now, but market conditions are changing.
该公司到目前为止一直很成功，但市场条件正在发生变化。
Up to now, I have had no reason to question his honesty.
到目前为止，我没有理由怀疑他的诚实。
02
到目前为止, 迄今
prior to the present time
