求翻译：然而它仅仅为全球三分之二的直接外资存量提供保护，只涵盖了五分之一可能出现的双边投资关系。全面涵盖所有的投资关系，需要再缔结14,100 项双边条约。这不仅提出了需要如何努力建成全球国际投资协议网络的问题，还提出了国际投资协议制度的影响及其对促进和保护投资的有效性，及如何确保国际投资协议发挥其发展潜力的问题。是什么意思？

However, it is only two-thirds of the world FDI stock to provide protection only covers one-fifth of the possible bilateral investment relations. Fully cover all of the investment relationship, need to conclude bilateral treaties 14,100. This not only raised the need to strive to build a global netw

However, it is only the 2 3 of the stock of direct foreign investment, and provide protection only covers 5 was one of bilateral investment relations may occur. comprehensive cover all of the investment relationship between 14,100 and needs to be further concluded a bilateral treaty. This not only

正在翻译，请等待...

However it only provide protection for the two-thirds of global FDI stock, only covers the one-fifth relationship between possible bilateral investment. Cover all investment, need to 14,100 concluded bilateral treaty. This not only raised a question for efforts to build a global network of internati

正在翻译，请等待...