A hyphen occurs in the main compound only if it would normally be hyphenated. If you're unsure whether a hyphen is needed, check an online dictionary or paste the phrase into Google and check common ...
You may have used an ellipsis without knowing its name ... “part-time”, “left-handed”). The en dash is twice as long as a hyphen, and gets its name from the fact that it is as wide as ...
Use a hyphen, not a slash, to illustrate joint entity or ownership (faculty-staff newsletter). Never use a hyphen in place of a colon or dash for emphasis or to denote a break or pause. Do not use a ...