還有样品通常需要至少四个星期才能完成的过程，因此，我们应该无法在暑假之

還有样品通常需要至少四个星期才能完成的过程，因此，我们应该无法在暑假之前发送

Results (English) 1:

Still have the samples usually takes at least four weeks to complete the process, therefore, we should not be able to send before summer vacation

Results (English) 2:

There are samples usually takes at least four weeks to complete the process, therefore, we should not be sent until the summer

Results (English) 3:

And the sample usually takes at least four weeks to complete the process, therefore, we should not be able to send before the summer