With two-way trade of nearly $500 billion last year, a bilateral investment treaty could mean big gains for both economies.

去年双边贸易达到近5000亿美元，这项双边投资协定意味着两国经济都会从中大大获益。

The two sides have also agreed to start working on a Negative List in their attempt to creat a bilateral investment treaty.

双方还就启动负面清单谈判达成一致，并争取制定双边投资协定。