youdao

People often focus on the absence of visits at the highest levels, but those are infrequent in any relationship.

人们常注重于没有最高层访问，但这类访问在任何关系中都并非频繁。

youdao

Although menus are not used as frequently as toolbar controls, they are still used very often, particularly by new or infrequent users.

尽管菜单使用频率不如工具栏控件高，但它仍然是我们经常要用到的，特别是新手或者生疏用户。

youdao

These charming ladies are on hand to help you with your travel needs, anything from directions and security regulations to liquid restrictions and boarding card details -- the kind of things that can often baffle infrequent fliers.

BBC: Airport avatars offer travel advice