free flow of trade

基本解释

Reciprocity is the bedrock principle of the free flow of trade and investment that the U.S. has long urged China to embrace.
互惠互利是美國一直以來敦促中國接受的貿易投資自由流動的基本原則。
Both these sets of ruins have a vital political significance for the present, for they indicate a region without hardened borders that benefited from the free flow of trade and information.
對於儅今而言，上述兩個遺跡都有著真實的政治借鋻意義，正因爲他們對於地區的認同不依賴明確的邊界，因此從貿易和信息的自由流動方麪獲益良多。
Tariffs and quotas are the two major forms of trade restrictions ( or protectionism ), which interfere with the free flow of trade among nations.
關稅和配額是貿易限制（或保護主義）的兩種主要形式，它們乾預了國家之間的自由貿易。

I'll be traveling to Australia to celebrate the 60th year of the American-Australian alliance, and that will signify the security infrastructure that allows for the free flow of trade and commerce throughout the region.
WHITEHOUSE: President Obama at the APEC Business Summit
The World Trade Organisation, which oversees the free flow of physical trade, might be a suitable body for keeping digital goods and services flowing too.
ECONOMIST: Regulators are having to rethink their brief
In December, international negotiators halfway around the world from each other debated provisions that would impact the free flow of information online and trade.
FORBES: WCIT, TPP, Russia PNTR: Growing Recognition of Internet Freedom As A Trade Issue