优化
optimization; to optimize; to make superior
油滑
oily; greasy; unctuous; slippery (character)
油花
grease or fat blobs at the surface of a liquid; tricky and dissolute
邮花
(dialect) (postage) stamp
中国石油化工股份有限公司
China Petroleum and Chemical Corporation, Sinopec; abbr. to 中石化[Zhong1 shi2 hua4]
被优化掉
lit. to be optimized away; to be fired; to be the victim of downsizing