I just want to check in and make sure we're still on for that friends of the library thing tonight.
我只是过来确认一下今晚我们还会去那个朋友的图书慈善会。
英语百科
Friends of Libraries
Friends of Libraries are non-profit, charitable groups formed to support libraries in communities. Friends of Libraries groups are often involved in fundraising, advocacy, volunteerism, public awareness campaigns, and literacy programs.
The County of Los Angeles Public Library reports having "...77 Friends of the Library groups with over 5,523 members."