一项大规模行动持续3周以从海床寻找残骸。
For three weeks a big operation went on to recover the wreckage from the sea bed.
你的工资可以按周以现金支取，或按月以支票支取。二者可选其一。
You can be paid in cash weekly or by cheque monthly; those are the two alternatives.
你的工资可以按周以现金支取，或按月以支票支取。二者可选其一。
You can be paid in cash weekly or by cheque monthly: those are the two alternatives.
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