本系列的前两期 研究了 R在 “真实环境” 中的使用方法。
The first two installments of this series looked at R in fairly "real world" usage.
我们确实希望在停滞期前上电视和广播。
如果怀孕或哺乳期，在使用前咨询医生。
If pregnant or lactating, consult a practitioner before use.
在交货期前一个月，你们的信用证必须开到。
Your letter of credit must reach us one month before the time of shipment.
即使是在赛季前的准备期，我们也有理由庆祝。
It was right for us to celebrate it even if it was in the pre-season.
即使是在赛季前的准备期，我们也有理由庆祝。
It was right for us to celebrate it even if it was in the pre-season.
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