英文翻译：这些天我们正在准备数据， 一旦更新完成，我们会及时通知你们；

Answer 1

翻译：These days we are preparing the data, once the update is complete, we will inform you。
希望对你有帮助，望采纳，谢谢

Answer 2

We are busy preparing the datas these days and we'll inform you on time once the update is completed.

Answer 3

We are preparing the data these days, and will inform you as soon as the update is finished.

Answer 4

These days we are preparing the data, once the update is complete, we will inform you.

Answer 5

We are preparing data in these days, we will informed you on time once it is finished.