1. Мы снова вынуждены жаловаться на

1. Мы снова вынуждены жаловаться на задержку в выполнении наших заказов, которая причиняет нам значительный ущерб.
2. Просим вас немедленно заняться этим делом и сообщить нам причину задержки ответа.
3. Мы получили ваше письмо от 10 октября и очень сожалеем, что вам приходится жаловаться на низкое качество.

Результаты (английский) 1:

1. We again had to complain about a delay in the performance of our orders, which causes us considerable harm.2. We ask you to immediately address this matter and tell us the reason for the delayed response.3. We have received your letter of 10 October and are very sorry that you have to complain about poor quality.

Результаты (английский) 2:

1. We again have to complain about the delay in the implementation of our orders, which causes considerable damage to us.
2. We ask you to immediately take up the case and let us know the reason for the delay response.
3. We have received your letter of October 10, and are very sorry that you have to complain about the poor quality.

Результаты (английский) 3:

1. Once again we are forced to complain about the delay in the fulfilment of our orders, which causes us significant harm.
2. We kindly ask you to immediately to address this matter, and to tell us the reason for the delay response.
3.We have received your letter dated 10 October, and very much regret that you have to complain about the low quality.