Definition: In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.

Positive Example 1 -
Input: Ulwakhiwo neempawu zentsinga zemifuno.
Output: Construction and characteristics of vegetable fibre cordage.

Positive Example 2 -
Input: Ukuphatheka kwentsinga zemifuno
Output: Handling of vegetable fibre cordage.

Negative Example 1 -
Input: Ukuphatheka kwentsinga ezenziwe ngabantu.
Output: Handling of man-made fibre cordage.

Negative Example 2 -
Input: Ulwakhiwo neendidi.
Output: Building and types.

Now complete the following example -
Input: Phakathi komnyaka ka 1950 nowe 1970 urhwebo lomthwalo ngenqanawa elwandle lwehlabathi lwenyuka ngesantya esingqinelanayo nokophinda-phinda rhoqo kwiminyaka eyi-10.
Output: Between 1950 and 1970, world seaborne trade increased at a rate that corresponded to a doubling every 10 years.