Sometimes we have to be brave enough to move from the familiar to the unfamiliar.

有时我们要勇敢的从熟悉的环境走向未知的环境。

youdao

It is perhaps not surprising that Microsoft's retail users are slow to migrate from the familiar (PCs running Windows 7 and XP) to the unfamiliar (PCs running the radically different Metro interface, and a new product category in Surface).

ENGADGET: Editorial: Microsoft is singing the right tune with some wrong notes