Discretion¹ is advised  慎重视必要的

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The quality of being discreet²; circumspection³.
谨慎，周详有谨慎品质；慎重周到
See: prudence
Ability or power to decide responsibly.
决定能力；明智
Freedom to act or judge on one's own:
行动的自由，判断的自由：

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at discretion
随意, 任意
无条件地
at the discretion of sb.
随某人的意思, 叫某人自行处理
be in [within] sb.'s discretion (to do)
(做...)是某人的自由
leave to sb.'s discretion
交某人酌办, 由某人自由决定
use one's (own) discretion
自行斟酌
with discretion
慎重地, 审慎地
years [age]of discretion
(能辨别善恶是非的)懂事年龄, 负责年龄
D-is the better part of valo(u)r.
[谚]谨慎为勇敢之本; 好汉不吃眼前亏。

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discretion
[dI5skreF(E)n]
n.判断力

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