色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Less weight means less waste.

Innovation in fisheries management is key to balancing economic needs with environmental protection.

我們今天關于海洋資源的每個決定都將在未來幾十年影響海洋生態系統。

The hardest thing to explain is the glaringly evident which everybody had decided not to see.

任正非內部講話稿

"The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves."

經濟學家的角色既是科學家，又是工程師。

理解勞動力市場的最佳方式是觀察現實數據，而不僅僅是理論模型。

我們都有多重身份——訣竅是擁抱它們全部。