1N-UNCOUNT 精力;活力;劲头 If you say that someone or something has dynamism, you are expressing approval of the fact that they are full of energy or full of new and exciting ideas. 精力;活力;劲头 [approval]
...a situation that calls for dynamism and new thinking.
2N-UNCOUNT (令人振奋的)发展变化 If you refer to the dynamism of a situation or system, you are referring to the fact that it is changing in an exciting and dramatic way. (令人振奋的)发展变化 [approval]