You can use virtually to indicate that something is so nearly true that for most purposes it can be regarded as true.
近义词
almost , nearly , essentially
双语例句
例： Virtually all cooking was done over coal-fired ranges.
几乎所有的烹饪都是在烧煤的炉灶上完成的。
例： It would have been virtually impossible to research all the information.
要对所有的信息进行分析研究几乎是不可能的。