英语词汇conceived and led by怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	conceived and led by
释义	by and by — 回头
随便看	social security floor social security framework law social security fraud social security funds social security identification social security income social security information social security Inspectorate social security Institute social security institution social security insurance social security issues social security law social security liability social security matters social security measures social security, Medicare social security, Medicare Social Security, Medicare social security, Medicare social security member social security minimum standards Convention social security needs social security number social security obligations

by and by —