简单地说,用We will send you the sample next week就可以了.
用By也不错,只不过一般说by the end of next week,表示我们会在下周末之前xx.
明白吗,区别不大.谢谢大侠。我现在这样写的：we plan to send the samples for you to review by next week. 中文要表达的意思是：我们预计下周会寄出样品给到您检查。请帮忙看下用英文这样写可以吗？没问题