<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?kesho 21 septemba mkataba wa kimataifa wa kiuchumi na biashara ceta kati ya eu na kanada huanza kutumika kwa muda mfupi.  <response>: on thursday, 21 september, the comprehensive economic and trade agreement ceta between the eu and canada entered into force provisionally. 