例句與造句

1. The repair method used by the airline " may ( or may not ) have caused a variance in quantity reading in the main tank, " the NTSB said.
2. Boeing does not have a standard repair procedure for this type of wiring fix, and that the repair method used by the airline " may ( or may not ) have caused a variance in quantity reading in the main tank, " the NTSB said.
3. Additional innovative contract terms under consideration would link price premiums and penalties paid for coal with different levels of sulfur content to changes in the market price of sulfur dioxide emissions allowances; trade emissions allowances to coal suppliers as partial payment for low-sulfur coal; or establish larger variances in quantity and prices for different qualities of coal in a single contract.
4. It's difficult to find variance in quantity in a sentence. 用variance in quantity造句挺難的