题目

When Liz Elting, 44, one of the owners of TransPerfect, a translation company, started her business 18 years ago with Phil Shawe, both were attending New York University’s Stern School of business. They never realized just how many situations would require their services, “We have translated black box data after planes crashed,” says Elting. “Translating Hooked on Phonics into eight languages was especially challenging because we were doing sounds, not words!” Elting had once worked for a translation company and she knew how important it was to get things right—like the inst两圆的半径分别为3cm和4cm，圆心距为2cm．那么这两圆的位置关系是    ．