Both don't and doesn't are contractions. Don't is a contraction of do not, while doesn't is a contraction of does not, and they both act as auxiliary verbs. In English, don't is used when speaking in the first and second person plural and singular and the third person plural (I, you, we, and they). I don't like seafood. You don't want to do that.
Cru (Christian organization) Cru (known as Campus Crusade for Christ until 2011) is an interdenominational Christian parachurch organization for college and university students.[1] It was founded in 1951 at the University of California, Los Angeles by Bill Bright and Vonette Zachary Bright.
ECU. Short for Electronic Control Unit, the ECU is a name given to a device that controls one or more electrical systems in a vehicle. It operates much like the BIOS does in a computer.