hold on the chain

基本解釋

However, the United States' hold on the first island chain is beginning to be pried loose anyway.
然而，不論如何，美國(guó)對(duì)第一島鏈的控制正在開始被迫放松。
The PCC is a collection of loose alliances with a weak chain of command that needs “symbolic acts” to enforce contracts and hold on to allies.
這是因爲(wèi)首都第一司令部是一個(gè)松散竝非強(qiáng)有力的聯(lián)盟，需要一些“象征行動(dòng)”來維持和加強(qiáng)他們的聯(lián)盟。
Infosys, he explained, could hold a virtual meeting of the key players from its entire global supply chain for any project at any time on that supersize screen.
他解釋說，整個(gè)全球供應(yīng)鏈任何環(huán)節(jié)的核心人物都能隨時(shí)開始會(huì)議，就在這個(gè)驚奇的屏幕上。