How to say optionally in different languages

You can say optionally as facultativement, éventuellement in the following countries: Benin; Burkina Faso; Burundi; Central African Republic; Chad; Democratic Republic of the Congo; Djibouti; France; French Guiana; French Polynesia; French Southern Territories; Gabon; Guadeloupe; Guinea; Ivory Coast; Madagascar; Mali; Martinique; Mayotte; Monaco; Niger; Republic of the Congo; Reunion; Saint Barthelemy; Saint Martin; Saint Pierre and Miquelon; Senegal; Togo;

You can say optionally as desgewenst in the following countries: Aruba; Belgium; Curacao; Netherlands; Netherlands Antilles; Sint Maarten; Suriname;

You can say optionally as também in the following countries: Angola; Brazil; Cabo Verde; Guinea-Bissau; Mozambique; Portugal; Sao Tome and Principe;

You can say optionally as 不一定, 不必, 不见得 in the following countries: China; Hong Kong; Macao; Taiwan;

You can say optionally as optional, wahlweise in the following countries: Austria; Germany; Liechtenstein; Switzerland;

You can say optionally as vaihtoehtoisesti in the following countries: Finland; Northern Mariana Islands;

You can say optionally as eventualmente in the following countries: Italy; San Marino;

You can say optionally as eventuelt, valgfritt in the following countries: Norway; Svalbard and Jan Mayen;

You can say optionally as alternativt, eventuellt, önskas in the following countries: Aland Islands; Sweden;

You can say optionally as неабавязкова in the following countries: Belarus;

You can say optionally as задължително in the following countries: Bulgaria;

You can say optionally as volitelně in the following countries: Czechia;

You can say optionally as eventuelt, valgfrit in the following countries: Denmark;

You can say optionally as valikuliselt in the following countries: Estonia;

You can say optionally as papildus in the following countries: Latvia;

You can say optionally as papildomai, neprivaloma in the following countries: Lithuania;

You can say optionally as niekoniecznie in the following countries: Poland;

You can say optionally as необязательно, по выбору, дополнительно, опционально, при желании in the following countries: Russia;

You can say optionally as voliteľne, prípadne in the following countries: Slovakia;

You can say optionally as seçmeli in the following countries: Turkey;

You can say optionally as факультативно in the following countries: Ukraine;