W: Well. According to the contract, we are responsible for repairing or replacing those defective instruments. We'll send our technicians to repair them.
W：好吧，根据合同，我们要对这些残次品进行修理和调换，我们会派技术人员去修理。
My father fell ill suddenly last night and w had to send for a doctor.
昨晚我父亲突然生病，于是我们只好派人把医生请来。
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