kargu gismu

x1 (object/commodity/property/event) is costly/expensive/dear to x2 by standard x3.

x1 may be a specific object, a commodity (mass), an event, or a property; pedantically, for objects/commodities, this is sumti-raising from ownership of the object/commodity (= poskargu for unambiguous semantics). See also vamji, dirba, vajni, jdima, pleji, canja, jerna, jinga, jemna, sfasa, vecnu.

In notes:

canja
x1 exchanges/trades/barters commodity x2 for x3 with x4; x1, x4 is a trader/merchant/businessman.
dirba
x1 is dear/precious/darling to x2; x1 is emotionally valued by x2.
jdima
x1 [amount] is the price of x2 to purchaser/consumer x3 set by vendor x4.
jemna
x1 is a gem/polished stone/pearl of type x2 from gemstone/material/source x3.
jerna
x1 (agent/person) earns/[deserves/merits] wages/salary/pay x2 for work/service x3 (activity).
jinga
x1 (person/team) wins/gains prize x2 from/over x3 [competitors/losers] in competition x4.
pleji
x1 pays/compensates/remunerates/[rewards] payment x2 to recipient/payee x3 for goods/services x4.
sfasa
x1 (agent) punishes x2 for infraction x3 (event/state/action) with punishment x4 (event/state).
vajni
x1 (object/event) is important/significant to x2 (person/event) in aspect/for reason x3 (nu/ka).
vamji
x1 (ni) is the equivalent value/worth of x2 [item(s) of value] to x3 for use/appreciation x4.
vecnu
x1 [seller] sells/vends x2 [goods/service/commodity] to buyer x3 for amount/cost/expense x4.
tolkargu
k1 (object/commodity/property/event) is inexpensive to k2 by standard k3.
ve'urzvocma
x1 sells service x2 to buyer x3 for small/discounted price x4.