例句：

　　許多因素可以導致胎兒發育遲緩。

　　Many factors can lead to growth retardation in unborn babies.

　　內外因結合導致了公司的倒閉。

　　A combination of internal and external factors caused the company to close down.

　　這種病毒可能導致懷孕動物流產。

　　The virus can cause pregnant animals to abort.

　　不遵守這些條件將導致合同終止。

　　Failure to comply with these conditions will result in termination of the contract.