But in most industries these bulwarks have been crumbling .
但在多数行业中，这些壁垒已经在瓦解。
They have the means to provide new bulwarks of the multilateral system .
它们有能力为多边体系提供新的支柱。
How will the agricultural product export face the broad technique bulwarks .
农产品出口如何面对国外技术壁垒。
A free press and free speech are bulwarks of democracy .
出版自由和言论自由是民主国家的支柱。
China 's banks have been building up their bulwarks against bad loans , underscoring the potential risk to the financial system in the world 's no. 2 economy even amid other signs that growth is picking up again .
