onus /ˈonəs/
負擔,負荷,義務,過失,恥辱
O·nus n. A burden; an obligation.
Onus probandi , the obligation to furnish evidence to prove an assertion; the burden of proof.
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onus
n : an onerous or difficult concern; "the burden of
responsibility"; "that's a load off my mind" [syn: burden,
load, encumbrance, incumbrance]