接受悲伤作为生活的一部分有助于莱莉应对成长中的情感复杂性。
Accepting sadness as part of life helps Riley deal with the emotional complexity of growing up.
这个谜题的复杂性令人难以置信。
The complexity of the puzzle is boggling.
夜战增加了战斗的复杂性。
Night fighting adds complexity to the battle.
起初，他们没有理解复杂性。
Initio, they didn't understand the complexity.
宇宙的复杂性是难以理解的。
The complexity of the universe is unfathomable.
