A course of action is necessary or inevitable given the situation.
行做。从事情发展的趋势看，必须采取行动。
无
Given the rising tensions, diplomatic intervention is now a course that is 势在必行.
Learn the next connected idiom: 势在必行 (shì zài bì xíng) → 行之有效 (xíng zhī yǒu xiào)
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