- 重点词汇
- 移动
move; shift; transfer; mobilize; maneuver; budge; displace; migrate; stir; locomote; mobile; movable; portable; motile; movement; motion; on the move; in motion
- 话费
telephone charge; phone bill; telephone bill; telephone expense
- 有效期
validity period; term of validity; (of medicine) time of efficacy